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Finding the Fourth Proportional to 74,474.60, 111,731.70 and 32,336.60

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Solution

The fourth proportional to 74,474.60, 111,731.70 and 32,336.60 is: 48,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,474.60 : 111,731.70 = 32,336.60 : x
  2. Step 2: Convert to fraction form
    74,474.60/111,731.70 = 32,336.60/x
  3. Step 3: Cross multiply
    74,474.60x = 111,731.70 × 32,336.60
  4. Step 4: Simplify right side
    74,474.60x = 3,613,023,290.22
  5. Step 5: Solve for x
    x = 3,613,023,290.22/74,474.60
  6. Step 6: Final answer
    x = 48,513.50

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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.