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Finding the Fourth Proportional to 24,555.68, 36,838.56 and 7,917.92

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Solution

The fourth proportional to 24,555.68, 36,838.56 and 7,917.92 is: 11,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,555.68 : 36,838.56 = 7,917.92 : x
  2. Step 2: Convert to fraction form
    24,555.68/36,838.56 = 7,917.92/x
  3. Step 3: Cross multiply
    24,555.68x = 36,838.56 × 7,917.92
  4. Step 4: Simplify right side
    24,555.68x = 291,684,771.00
  5. Step 5: Solve for x
    x = 291,684,771.00/24,555.68
  6. Step 6: Final answer
    x = 11,878.51

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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.