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Finding the Fourth Proportional to 71,479.60, 98,600.58 and 44,575.40

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Solution

The fourth proportional to 71,479.60, 98,600.58 and 44,575.40 is: 61,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,479.60 : 98,600.58 = 44,575.40 : x
  2. Step 2: Convert to fraction form
    71,479.60/98,600.58 = 44,575.40/x
  3. Step 3: Cross multiply
    71,479.60x = 98,600.58 × 44,575.40
  4. Step 4: Simplify right side
    71,479.60x = 4,395,160,293.73
  5. Step 5: Solve for x
    x = 4,395,160,293.73/71,479.60
  6. Step 6: Final answer
    x = 61,488.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.