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Finding the Fourth Proportional to 16,663.92, 25,008.24 and 7,898.88

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Solution

The fourth proportional to 16,663.92, 25,008.24 and 7,898.88 is: 11,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.92 : 25,008.24 = 7,898.88 : x
  2. Step 2: Convert to fraction form
    16,663.92/25,008.24 = 7,898.88/x
  3. Step 3: Cross multiply
    16,663.92x = 25,008.24 × 7,898.88
  4. Step 4: Simplify right side
    16,663.92x = 197,537,086.77
  5. Step 5: Solve for x
    x = 197,537,086.77/16,663.92
  6. Step 6: Final answer
    x = 11,854.18

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1.5x scale

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.