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Finding the Fourth Proportional to 73,634.40, 110,451.60 and 26,881.20

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Solution

The fourth proportional to 73,634.40, 110,451.60 and 26,881.20 is: 40,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,634.40 : 110,451.60 = 26,881.20 : x
  2. Step 2: Convert to fraction form
    73,634.40/110,451.60 = 26,881.20/x
  3. Step 3: Cross multiply
    73,634.40x = 110,451.60 × 26,881.20
  4. Step 4: Simplify right side
    73,634.40x = 2,969,071,549.92
  5. Step 5: Solve for x
    x = 2,969,071,549.92/73,634.40
  6. Step 6: Final answer
    x = 40,321.80

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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.