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Finding the Fourth Proportional to 71,375.10, 107,062.65 and 44,994.30

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Solution

The fourth proportional to 71,375.10, 107,062.65 and 44,994.30 is: 67,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,375.10 : 107,062.65 = 44,994.30 : x
  2. Step 2: Convert to fraction form
    71,375.10/107,062.65 = 44,994.30/x
  3. Step 3: Cross multiply
    71,375.10x = 107,062.65 × 44,994.30
  4. Step 4: Simplify right side
    71,375.10x = 4,817,208,992.90
  5. Step 5: Solve for x
    x = 4,817,208,992.90/71,375.10
  6. Step 6: Final answer
    x = 67,491.45

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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.