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Finding the Fourth Proportional to 59,988.60, 89,947.26 and 20,544.84

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Solution

The fourth proportional to 59,988.60, 89,947.26 and 20,544.84 is: 30,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,988.60 : 89,947.26 = 20,544.84 : x
  2. Step 2: Convert to fraction form
    59,988.60/89,947.26 = 20,544.84/x
  3. Step 3: Cross multiply
    59,988.60x = 89,947.26 × 20,544.84
  4. Step 4: Simplify right side
    59,988.60x = 1,847,952,065.14
  5. Step 5: Solve for x
    x = 1,847,952,065.14/59,988.60
  6. Step 6: Final answer
    x = 30,805.05

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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.