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Finding the Fourth Proportional to 16,660.61, 24,990.88 and 4,348.61

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Solution

The fourth proportional to 16,660.61, 24,990.88 and 4,348.61 is: 6,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.61 : 24,990.88 = 4,348.61 : x
  2. Step 2: Convert to fraction form
    16,660.61/24,990.88 = 4,348.61/x
  3. Step 3: Cross multiply
    16,660.61x = 24,990.88 × 4,348.61
  4. Step 4: Simplify right side
    16,660.61x = 108,675,590.68
  5. Step 5: Solve for x
    x = 108,675,590.68/16,660.61
  6. Step 6: Final answer
    x = 6,522.91

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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.