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Finding the Fourth Proportional to 59,322.50, 88,983.76 and 19,879.70

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Solution

The fourth proportional to 59,322.50, 88,983.76 and 19,879.70 is: 29,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,322.50 : 88,983.76 = 19,879.70 : x
  2. Step 2: Convert to fraction form
    59,322.50/88,983.76 = 19,879.70/x
  3. Step 3: Cross multiply
    59,322.50x = 88,983.76 × 19,879.70
  4. Step 4: Simplify right side
    59,322.50x = 1,768,970,453.67
  5. Step 5: Solve for x
    x = 1,768,970,453.67/59,322.50
  6. Step 6: Final answer
    x = 29,819.55

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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.