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Finding the Fourth Proportional to 91,887.96, 126,796.46 and 51,593.96

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Solution

The fourth proportional to 91,887.96, 126,796.46 and 51,593.96 is: 71,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,887.96 : 126,796.46 = 51,593.96 : x
  2. Step 2: Convert to fraction form
    91,887.96/126,796.46 = 51,593.96/x
  3. Step 3: Cross multiply
    91,887.96x = 126,796.46 × 51,593.96
  4. Step 4: Simplify right side
    91,887.96x = 6,541,931,485.38
  5. Step 5: Solve for x
    x = 6,541,931,485.38/91,887.96
  6. Step 6: Final answer
    x = 71,194.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.