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Finding the Fourth Proportional to 50,648.40, 75,972.60 and 23,000.40

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Solution

The fourth proportional to 50,648.40, 75,972.60 and 23,000.40 is: 34,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,648.40 : 75,972.60 = 23,000.40 : x
  2. Step 2: Convert to fraction form
    50,648.40/75,972.60 = 23,000.40/x
  3. Step 3: Cross multiply
    50,648.40x = 75,972.60 × 23,000.40
  4. Step 4: Simplify right side
    50,648.40x = 1,747,400,189.04
  5. Step 5: Solve for x
    x = 1,747,400,189.04/50,648.40
  6. Step 6: Final answer
    x = 34,500.60

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Similar ratio
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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.