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Finding the Fourth Proportional to 59,794.40, 89,691.60 and 38,904.80

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Solution

The fourth proportional to 59,794.40, 89,691.60 and 38,904.80 is: 58,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,794.40 : 89,691.60 = 38,904.80 : x
  2. Step 2: Convert to fraction form
    59,794.40/89,691.60 = 38,904.80/x
  3. Step 3: Cross multiply
    59,794.40x = 89,691.60 × 38,904.80
  4. Step 4: Simplify right side
    59,794.40x = 3,489,433,759.68
  5. Step 5: Solve for x
    x = 3,489,433,759.68/59,794.40
  6. Step 6: Final answer
    x = 58,357.20

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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.