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Finding the Fourth Proportional to 24,390.60, 36,591.06 and 7,748.58

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Solution

The fourth proportional to 24,390.60, 36,591.06 and 7,748.58 is: 11,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,390.60 : 36,591.06 = 7,748.58 : x
  2. Step 2: Convert to fraction form
    24,390.60/36,591.06 = 7,748.58/x
  3. Step 3: Cross multiply
    24,390.60x = 36,591.06 × 7,748.58
  4. Step 4: Simplify right side
    24,390.60x = 283,528,755.69
  5. Step 5: Solve for x
    x = 283,528,755.69/24,390.60
  6. Step 6: Final answer
    x = 11,624.51

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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.