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Finding the Fourth Proportional to 16,565.80, 24,848.70 and 10,660.90

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Solution

The fourth proportional to 16,565.80, 24,848.70 and 10,660.90 is: 15,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,565.80 : 24,848.70 = 10,660.90 : x
  2. Step 2: Convert to fraction form
    16,565.80/24,848.70 = 10,660.90/x
  3. Step 3: Cross multiply
    16,565.80x = 24,848.70 × 10,660.90
  4. Step 4: Simplify right side
    16,565.80x = 264,909,505.83
  5. Step 5: Solve for x
    x = 264,909,505.83/16,565.80
  6. Step 6: Final answer
    x = 15,991.35

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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.