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Finding the Fourth Proportional to 24,110.80, 36,139.80 and 8,520.40

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Solution

The fourth proportional to 24,110.80, 36,139.80 and 8,520.40 is: 12,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,110.80 : 36,139.80 = 8,520.40 : x
  2. Step 2: Convert to fraction form
    24,110.80/36,139.80 = 8,520.40/x
  3. Step 3: Cross multiply
    24,110.80x = 36,139.80 × 8,520.40
  4. Step 4: Simplify right side
    24,110.80x = 307,925,551.92
  5. Step 5: Solve for x
    x = 307,925,551.92/24,110.80
  6. Step 6: Final answer
    x = 12,771.27

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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.