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Finding the Fourth Proportional to 8,353.79, 11,528.22 and 4,627.79

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Solution

The fourth proportional to 8,353.79, 11,528.22 and 4,627.79 is: 6,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.79 : 11,528.22 = 4,627.79 : x
  2. Step 2: Convert to fraction form
    8,353.79/11,528.22 = 4,627.79/x
  3. Step 3: Cross multiply
    8,353.79x = 11,528.22 × 4,627.79
  4. Step 4: Simplify right side
    8,353.79x = 53,350,123.59
  5. Step 5: Solve for x
    x = 53,350,123.59/8,353.79
  6. Step 6: Final answer
    x = 6,386.34

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Half scale
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Double scale
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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.