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Finding the Fourth Proportional to 24,654.72, 36,981.60 and 7,123.92

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Solution

The fourth proportional to 24,654.72, 36,981.60 and 7,123.92 is: 10,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,654.72 : 36,981.60 = 7,123.92 : x
  2. Step 2: Convert to fraction form
    24,654.72/36,981.60 = 7,123.92/x
  3. Step 3: Cross multiply
    24,654.72x = 36,981.60 × 7,123.92
  4. Step 4: Simplify right side
    24,654.72x = 263,453,959.87
  5. Step 5: Solve for x
    x = 263,453,959.87/24,654.72
  6. Step 6: Final answer
    x = 10,685.74

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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.