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Finding the Fourth Proportional to 44,909.20, 67,363.80 and 34,994.80

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Solution

The fourth proportional to 44,909.20, 67,363.80 and 34,994.80 is: 52,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,909.20 : 67,363.80 = 34,994.80 : x
  2. Step 2: Convert to fraction form
    44,909.20/67,363.80 = 34,994.80/x
  3. Step 3: Cross multiply
    44,909.20x = 67,363.80 × 34,994.80
  4. Step 4: Simplify right side
    44,909.20x = 2,357,382,708.24
  5. Step 5: Solve for x
    x = 2,357,382,708.24/44,909.20
  6. Step 6: Final answer
    x = 52,492.20

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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.