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Finding the Fourth Proportional to 16,374.70, 24,561.98 and 4,687.92

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Solution

The fourth proportional to 16,374.70, 24,561.98 and 4,687.92 is: 7,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,374.70 : 24,561.98 = 4,687.92 : x
  2. Step 2: Convert to fraction form
    16,374.70/24,561.98 = 4,687.92/x
  3. Step 3: Cross multiply
    16,374.70x = 24,561.98 × 4,687.92
  4. Step 4: Simplify right side
    16,374.70x = 115,144,573.84
  5. Step 5: Solve for x
    x = 115,144,573.84/16,374.70
  6. Step 6: Final answer
    x = 7,031.86

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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.