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Finding the Fourth Proportional to 16,389.59, 24,594.11 and 15,351.78

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Solution

The fourth proportional to 16,389.59, 24,594.11 and 15,351.78 is: 23,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.59 : 24,594.11 = 15,351.78 : x
  2. Step 2: Convert to fraction form
    16,389.59/24,594.11 = 15,351.78/x
  3. Step 3: Cross multiply
    16,389.59x = 24,594.11 × 15,351.78
  4. Step 4: Simplify right side
    16,389.59x = 377,563,439.05
  5. Step 5: Solve for x
    x = 377,563,439.05/16,389.59
  6. Step 6: Final answer
    x = 23,036.79

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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.