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Finding the Fourth Proportional to 74,650.60, 112,019.10 and 27,908.20

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Solution

The fourth proportional to 74,650.60, 112,019.10 and 27,908.20 is: 41,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.60 : 112,019.10 = 27,908.20 : x
  2. Step 2: Convert to fraction form
    74,650.60/112,019.10 = 27,908.20/x
  3. Step 3: Cross multiply
    74,650.60x = 112,019.10 × 27,908.20
  4. Step 4: Simplify right side
    74,650.60x = 3,126,251,446.62
  5. Step 5: Solve for x
    x = 3,126,251,446.62/74,650.60
  6. Step 6: Final answer
    x = 41,878.45

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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.