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Finding the Fourth Proportional to 61,569.44, 84,960.72 and 34,718.54

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Solution

The fourth proportional to 61,569.44, 84,960.72 and 34,718.54 is: 47,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,569.44 : 84,960.72 = 34,718.54 : x
  2. Step 2: Convert to fraction form
    61,569.44/84,960.72 = 34,718.54/x
  3. Step 3: Cross multiply
    61,569.44x = 84,960.72 × 34,718.54
  4. Step 4: Simplify right side
    61,569.44x = 2,949,712,155.75
  5. Step 5: Solve for x
    x = 2,949,712,155.75/61,569.44
  6. Step 6: Final answer
    x = 47,908.71

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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.