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Finding the Fourth Proportional to 61,564.78, 84,959.38 and 34,707.29

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Solution

The fourth proportional to 61,564.78, 84,959.38 and 34,707.29 is: 47,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,564.78 : 84,959.38 = 34,707.29 : x
  2. Step 2: Convert to fraction form
    61,564.78/84,959.38 = 34,707.29/x
  3. Step 3: Cross multiply
    61,564.78x = 84,959.38 × 34,707.29
  4. Step 4: Simplify right side
    61,564.78x = 2,948,709,839.88
  5. Step 5: Solve for x
    x = 2,948,709,839.88/61,564.78
  6. Step 6: Final answer
    x = 47,896.05

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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.