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Finding the Fourth Proportional to 64,691.52, 89,273.25 and 36,397.26

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Solution

The fourth proportional to 64,691.52, 89,273.25 and 36,397.26 is: 50,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,691.52 : 89,273.25 = 36,397.26 : x
  2. Step 2: Convert to fraction form
    64,691.52/89,273.25 = 36,397.26/x
  3. Step 3: Cross multiply
    64,691.52x = 89,273.25 × 36,397.26
  4. Step 4: Simplify right side
    64,691.52x = 3,249,301,691.30
  5. Step 5: Solve for x
    x = 3,249,301,691.30/64,691.52
  6. Step 6: Final answer
    x = 50,227.63

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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.