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Finding the Fourth Proportional to 61,411.92, 92,113.76 and 17,039.06

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Solution

The fourth proportional to 61,411.92, 92,113.76 and 17,039.06 is: 25,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,411.92 : 92,113.76 = 17,039.06 : x
  2. Step 2: Convert to fraction form
    61,411.92/92,113.76 = 17,039.06/x
  3. Step 3: Cross multiply
    61,411.92x = 92,113.76 × 17,039.06
  4. Step 4: Simplify right side
    61,411.92x = 1,569,531,715.08
  5. Step 5: Solve for x
    x = 1,569,531,715.08/61,411.92
  6. Step 6: Final answer
    x = 25,557.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.