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Finding the Fourth Proportional to 48,913.40, 73,459.20 and 29,230.40

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Solution

The fourth proportional to 48,913.40, 73,459.20 and 29,230.40 is: 43,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,913.40 : 73,459.20 = 29,230.40 : x
  2. Step 2: Convert to fraction form
    48,913.40/73,459.20 = 29,230.40/x
  3. Step 3: Cross multiply
    48,913.40x = 73,459.20 × 29,230.40
  4. Step 4: Simplify right side
    48,913.40x = 2,147,241,799.68
  5. Step 5: Solve for x
    x = 2,147,241,799.68/48,913.40
  6. Step 6: Final answer
    x = 43,898.85

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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.