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Finding the Fourth Proportional to 61,569.37, 84,963.81 and 34,711.50

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Solution

The fourth proportional to 61,569.37, 84,963.81 and 34,711.50 is: 47,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,569.37 : 84,963.81 = 34,711.50 : x
  2. Step 2: Convert to fraction form
    61,569.37/84,963.81 = 34,711.50/x
  3. Step 3: Cross multiply
    61,569.37x = 84,963.81 × 34,711.50
  4. Step 4: Simplify right side
    61,569.37x = 2,949,221,290.82
  5. Step 5: Solve for x
    x = 2,949,221,290.82/61,569.37
  6. Step 6: Final answer
    x = 47,900.79

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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.