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Finding the Fourth Proportional to 16,502.91, 24,756.90 and 5,406.92

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Solution

The fourth proportional to 16,502.91, 24,756.90 and 5,406.92 is: 8,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,502.91 : 24,756.90 = 5,406.92 : x
  2. Step 2: Convert to fraction form
    16,502.91/24,756.90 = 5,406.92/x
  3. Step 3: Cross multiply
    16,502.91x = 24,756.90 × 5,406.92
  4. Step 4: Simplify right side
    16,502.91x = 133,858,577.75
  5. Step 5: Solve for x
    x = 133,858,577.75/16,502.91
  6. Step 6: Final answer
    x = 8,111.21

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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.