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Finding the Fourth Proportional to 74,459.84, 111,697.92 and 32,310.95

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Solution

The fourth proportional to 74,459.84, 111,697.92 and 32,310.95 is: 48,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459.84 : 111,697.92 = 32,310.95 : x
  2. Step 2: Convert to fraction form
    74,459.84/111,697.92 = 32,310.95/x
  3. Step 3: Cross multiply
    74,459.84x = 111,697.92 × 32,310.95
  4. Step 4: Simplify right side
    74,459.84x = 3,609,065,349.73
  5. Step 5: Solve for x
    x = 3,609,065,349.73/74,459.84
  6. Step 6: Final answer
    x = 48,469.96

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1.5x scale

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.