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Finding the Fourth Proportional to 59,770.80, 89,635.28 and 17,639.70

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Solution

The fourth proportional to 59,770.80, 89,635.28 and 17,639.70 is: 26,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,770.80 : 89,635.28 = 17,639.70 : x
  2. Step 2: Convert to fraction form
    59,770.80/89,635.28 = 17,639.70/x
  3. Step 3: Cross multiply
    59,770.80x = 89,635.28 × 17,639.70
  4. Step 4: Simplify right side
    59,770.80x = 1,581,139,448.62
  5. Step 5: Solve for x
    x = 1,581,139,448.62/59,770.80
  6. Step 6: Final answer
    x = 26,453.38

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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.