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Finding the Fourth Proportional to 16,981.60, 25,472.80 and 5,901.04

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Solution

The fourth proportional to 16,981.60, 25,472.80 and 5,901.04 is: 8,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.60 : 25,472.80 = 5,901.04 : x
  2. Step 2: Convert to fraction form
    16,981.60/25,472.80 = 5,901.04/x
  3. Step 3: Cross multiply
    16,981.60x = 25,472.80 × 5,901.04
  4. Step 4: Simplify right side
    16,981.60x = 150,316,011.71
  5. Step 5: Solve for x
    x = 150,316,011.71/16,981.60
  6. Step 6: Final answer
    x = 8,851.70

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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.