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Finding the Fourth Proportional to 61,549.74, 84,959.42 and 38,284.29

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Solution

The fourth proportional to 61,549.74, 84,959.42 and 38,284.29 is: 52,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,549.74 : 84,959.42 = 38,284.29 : x
  2. Step 2: Convert to fraction form
    61,549.74/84,959.42 = 38,284.29/x
  3. Step 3: Cross multiply
    61,549.74x = 84,959.42 × 38,284.29
  4. Step 4: Simplify right side
    61,549.74x = 3,252,610,882.09
  5. Step 5: Solve for x
    x = 3,252,610,882.09/61,549.74
  6. Step 6: Final answer
    x = 52,845.24

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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.