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Finding the Fourth Proportional to 74,843.20, 112,250.40 and 22,254.40

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Solution

The fourth proportional to 74,843.20, 112,250.40 and 22,254.40 is: 33,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,843.20 : 112,250.40 = 22,254.40 : x
  2. Step 2: Convert to fraction form
    74,843.20/112,250.40 = 22,254.40/x
  3. Step 3: Cross multiply
    74,843.20x = 112,250.40 × 22,254.40
  4. Step 4: Simplify right side
    74,843.20x = 2,498,065,301.76
  5. Step 5: Solve for x
    x = 2,498,065,301.76/74,843.20
  6. Step 6: Final answer
    x = 33,377.32

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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.