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Finding the Fourth Proportional to 16,381.92, 24,572.88 and 4,069.92

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Solution

The fourth proportional to 16,381.92, 24,572.88 and 4,069.92 is: 6,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.92 : 24,572.88 = 4,069.92 : x
  2. Step 2: Convert to fraction form
    16,381.92/24,572.88 = 4,069.92/x
  3. Step 3: Cross multiply
    16,381.92x = 24,572.88 × 4,069.92
  4. Step 4: Simplify right side
    16,381.92x = 100,009,655.77
  5. Step 5: Solve for x
    x = 100,009,655.77/16,381.92
  6. Step 6: Final answer
    x = 6,104.88

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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.