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Finding the Fourth Proportional to 34,092.40, 51,138.60 and 30,301.60

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Solution

The fourth proportional to 34,092.40, 51,138.60 and 30,301.60 is: 45,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,092.40 : 51,138.60 = 30,301.60 : x
  2. Step 2: Convert to fraction form
    34,092.40/51,138.60 = 30,301.60/x
  3. Step 3: Cross multiply
    34,092.40x = 51,138.60 × 30,301.60
  4. Step 4: Simplify right side
    34,092.40x = 1,549,581,401.76
  5. Step 5: Solve for x
    x = 1,549,581,401.76/34,092.40
  6. Step 6: Final answer
    x = 45,452.40

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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.