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Finding the Fourth Proportional to 16,658.61, 24,987.88 and 4,346.61

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Solution

The fourth proportional to 16,658.61, 24,987.88 and 4,346.61 is: 6,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.61 : 24,987.88 = 4,346.61 : x
  2. Step 2: Convert to fraction form
    16,658.61/24,987.88 = 4,346.61/x
  3. Step 3: Cross multiply
    16,658.61x = 24,987.88 × 4,346.61
  4. Step 4: Simplify right side
    16,658.61x = 108,612,569.09
  5. Step 5: Solve for x
    x = 108,612,569.09/16,658.61
  6. Step 6: Final answer
    x = 6,519.91

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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.