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Finding the Fourth Proportional to 24,580.45, 36,874.86 and 7,938.46

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Solution

The fourth proportional to 24,580.45, 36,874.86 and 7,938.46 is: 11,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,580.45 : 36,874.86 = 7,938.46 : x
  2. Step 2: Convert to fraction form
    24,580.45/36,874.86 = 7,938.46/x
  3. Step 3: Cross multiply
    24,580.45x = 36,874.86 × 7,938.46
  4. Step 4: Simplify right side
    24,580.45x = 292,729,601.12
  5. Step 5: Solve for x
    x = 292,729,601.12/24,580.45
  6. Step 6: Final answer
    x = 11,909.04

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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.