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Finding the Fourth Proportional to 16,658.59, 24,987.87 and 8,330.22

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Solution

The fourth proportional to 16,658.59, 24,987.87 and 8,330.22 is: 12,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.59 : 24,987.87 = 8,330.22 : x
  2. Step 2: Convert to fraction form
    16,658.59/24,987.87 = 8,330.22/x
  3. Step 3: Cross multiply
    16,658.59x = 24,987.87 × 8,330.22
  4. Step 4: Simplify right side
    16,658.59x = 208,154,454.43
  5. Step 5: Solve for x
    x = 208,154,454.43/16,658.59
  6. Step 6: Final answer
    x = 12,495.33

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Double scale
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Similar ratio
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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.