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Finding the Fourth Proportional to 76,989.30, 115,482.69 and 24,398.70

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Solution

The fourth proportional to 76,989.30, 115,482.69 and 24,398.70 is: 36,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,989.30 : 115,482.69 = 24,398.70 : x
  2. Step 2: Convert to fraction form
    76,989.30/115,482.69 = 24,398.70/x
  3. Step 3: Cross multiply
    76,989.30x = 115,482.69 × 24,398.70
  4. Step 4: Simplify right side
    76,989.30x = 2,817,627,508.50
  5. Step 5: Solve for x
    x = 2,817,627,508.50/76,989.30
  6. Step 6: Final answer
    x = 36,597.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.