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Finding the Fourth Proportional to 24,319.90, 36,479.85 and 13,951.90

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Solution

The fourth proportional to 24,319.90, 36,479.85 and 13,951.90 is: 20,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,319.90 : 36,479.85 = 13,951.90 : x
  2. Step 2: Convert to fraction form
    24,319.90/36,479.85 = 13,951.90/x
  3. Step 3: Cross multiply
    24,319.90x = 36,479.85 × 13,951.90
  4. Step 4: Simplify right side
    24,319.90x = 508,963,219.22
  5. Step 5: Solve for x
    x = 508,963,219.22/24,319.90
  6. Step 6: Final answer
    x = 20,927.85

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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.