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Finding the Fourth Proportional to 50,609.70, 75,914.55 and 34,020.90

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Solution

The fourth proportional to 50,609.70, 75,914.55 and 34,020.90 is: 51,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,609.70 : 75,914.55 = 34,020.90 : x
  2. Step 2: Convert to fraction form
    50,609.70/75,914.55 = 34,020.90/x
  3. Step 3: Cross multiply
    50,609.70x = 75,914.55 × 34,020.90
  4. Step 4: Simplify right side
    50,609.70x = 2,582,681,314.10
  5. Step 5: Solve for x
    x = 2,582,681,314.10/50,609.70
  6. Step 6: Final answer
    x = 51,031.35

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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.