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Finding the Fourth Proportional to 59,074.20, 88,619.40 and 19,627.20

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Solution

The fourth proportional to 59,074.20, 88,619.40 and 19,627.20 is: 29,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,074.20 : 88,619.40 = 19,627.20 : x
  2. Step 2: Convert to fraction form
    59,074.20/88,619.40 = 19,627.20/x
  3. Step 3: Cross multiply
    59,074.20x = 88,619.40 × 19,627.20
  4. Step 4: Simplify right side
    59,074.20x = 1,739,350,687.68
  5. Step 5: Solve for x
    x = 1,739,350,687.68/59,074.20
  6. Step 6: Final answer
    x = 29,443.49

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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.