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Finding the Fourth Proportional to 74,433.60, 111,650.40 and 32,961.60

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Solution

The fourth proportional to 74,433.60, 111,650.40 and 32,961.60 is: 49,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,433.60 : 111,650.40 = 32,961.60 : x
  2. Step 2: Convert to fraction form
    74,433.60/111,650.40 = 32,961.60/x
  3. Step 3: Cross multiply
    74,433.60x = 111,650.40 × 32,961.60
  4. Step 4: Simplify right side
    74,433.60x = 3,680,175,824.64
  5. Step 5: Solve for x
    x = 3,680,175,824.64/74,433.60
  6. Step 6: Final answer
    x = 49,442.40

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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.