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Finding the Fourth Proportional to 18,363.52, 25,002.64 and 18,305.20

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Solution

The fourth proportional to 18,363.52, 25,002.64 and 18,305.20 is: 24,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.52 : 25,002.64 = 18,305.20 : x
  2. Step 2: Convert to fraction form
    18,363.52/25,002.64 = 18,305.20/x
  3. Step 3: Cross multiply
    18,363.52x = 25,002.64 × 18,305.20
  4. Step 4: Simplify right side
    18,363.52x = 457,678,325.73
  5. Step 5: Solve for x
    x = 457,678,325.73/18,363.52
  6. Step 6: Final answer
    x = 24,923.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.