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Finding the Fourth Proportional to 24,437.99, 36,657.68 and 8,640.79

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Solution

The fourth proportional to 24,437.99, 36,657.68 and 8,640.79 is: 12,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,437.99 : 36,657.68 = 8,640.79 : x
  2. Step 2: Convert to fraction form
    24,437.99/36,657.68 = 8,640.79/x
  3. Step 3: Cross multiply
    24,437.99x = 36,657.68 × 8,640.79
  4. Step 4: Simplify right side
    24,437.99x = 316,751,314.77
  5. Step 5: Solve for x
    x = 316,751,314.77/24,437.99
  6. Step 6: Final answer
    x = 12,961.43

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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.