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Finding the Fourth Proportional to 61,966.92, 85,540.54 and 41,851.08

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Solution

The fourth proportional to 61,966.92, 85,540.54 and 41,851.08 is: 57,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.92 : 85,540.54 = 41,851.08 : x
  2. Step 2: Convert to fraction form
    61,966.92/85,540.54 = 41,851.08/x
  3. Step 3: Cross multiply
    61,966.92x = 85,540.54 × 41,851.08
  4. Step 4: Simplify right side
    61,966.92x = 3,579,963,555.08
  5. Step 5: Solve for x
    x = 3,579,963,555.08/61,966.92
  6. Step 6: Final answer
    x = 57,772.17

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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.