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Finding the Fourth Proportional to 91,725, 126,593.48 and 50,898.28

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Solution

The fourth proportional to 91,725, 126,593.48 and 50,898.28 is: 70,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,725 : 126,593.48 = 50,898.28 : x
  2. Step 2: Convert to fraction form
    91,725/126,593.48 = 50,898.28/x
  3. Step 3: Cross multiply
    91,725x = 126,593.48 × 50,898.28
  4. Step 4: Simplify right side
    91,725x = 6,443,390,391.21
  5. Step 5: Solve for x
    x = 6,443,390,391.21/91,725
  6. Step 6: Final answer
    x = 70,246.83

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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.