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Finding the Fourth Proportional to 62,967.84, 86,901.77 and 47,024.61

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Solution

The fourth proportional to 62,967.84, 86,901.77 and 47,024.61 is: 64,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,967.84 : 86,901.77 = 47,024.61 : x
  2. Step 2: Convert to fraction form
    62,967.84/86,901.77 = 47,024.61/x
  3. Step 3: Cross multiply
    62,967.84x = 86,901.77 × 47,024.61
  4. Step 4: Simplify right side
    62,967.84x = 4,086,521,607.44
  5. Step 5: Solve for x
    x = 4,086,521,607.44/62,967.84
  6. Step 6: Final answer
    x = 64,898.55

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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.