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Finding the Fourth Proportional to 24,500.81, 36,750.53 and 7,860.78

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Solution

The fourth proportional to 24,500.81, 36,750.53 and 7,860.78 is: 11,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,500.81 : 36,750.53 = 7,860.78 : x
  2. Step 2: Convert to fraction form
    24,500.81/36,750.53 = 7,860.78/x
  3. Step 3: Cross multiply
    24,500.81x = 36,750.53 × 7,860.78
  4. Step 4: Simplify right side
    24,500.81x = 288,887,850.87
  5. Step 5: Solve for x
    x = 288,887,850.87/24,500.81
  6. Step 6: Final answer
    x = 11,790.95

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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.