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Finding the Fourth Proportional to 74,691.60, 112,037.40 and 35,325.60

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Solution

The fourth proportional to 74,691.60, 112,037.40 and 35,325.60 is: 52,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.60 : 112,037.40 = 35,325.60 : x
  2. Step 2: Convert to fraction form
    74,691.60/112,037.40 = 35,325.60/x
  3. Step 3: Cross multiply
    74,691.60x = 112,037.40 × 35,325.60
  4. Step 4: Simplify right side
    74,691.60x = 3,957,788,377.44
  5. Step 5: Solve for x
    x = 3,957,788,377.44/74,691.60
  6. Step 6: Final answer
    x = 52,988.40

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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.