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Finding the Fourth Proportional to 62,455.71, 93,679.47 and 26,915.61

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Solution

The fourth proportional to 62,455.71, 93,679.47 and 26,915.61 is: 40,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,455.71 : 93,679.47 = 26,915.61 : x
  2. Step 2: Convert to fraction form
    62,455.71/93,679.47 = 26,915.61/x
  3. Step 3: Cross multiply
    62,455.71x = 93,679.47 × 26,915.61
  4. Step 4: Simplify right side
    62,455.71x = 2,521,440,079.53
  5. Step 5: Solve for x
    x = 2,521,440,079.53/62,455.71
  6. Step 6: Final answer
    x = 40,371.65

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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.