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Finding the Fourth Proportional to 61,552.90, 84,963.90 and 38,287.54

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Solution

The fourth proportional to 61,552.90, 84,963.90 and 38,287.54 is: 52,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,552.90 : 84,963.90 = 38,287.54 : x
  2. Step 2: Convert to fraction form
    61,552.90/84,963.90 = 38,287.54/x
  3. Step 3: Cross multiply
    61,552.90x = 84,963.90 × 38,287.54
  4. Step 4: Simplify right side
    61,552.90x = 3,253,058,719.81
  5. Step 5: Solve for x
    x = 3,253,058,719.81/61,552.90
  6. Step 6: Final answer
    x = 52,849.80

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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.