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Finding the Fourth Proportional to 71,479.59, 107,219.38 and 29,352.50

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Solution

The fourth proportional to 71,479.59, 107,219.38 and 29,352.50 is: 44,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,479.59 : 107,219.38 = 29,352.50 : x
  2. Step 2: Convert to fraction form
    71,479.59/107,219.38 = 29,352.50/x
  3. Step 3: Cross multiply
    71,479.59x = 107,219.38 × 29,352.50
  4. Step 4: Simplify right side
    71,479.59x = 3,147,156,851.45
  5. Step 5: Solve for x
    x = 3,147,156,851.45/71,479.59
  6. Step 6: Final answer
    x = 44,028.75

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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.