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Finding the Fourth Proportional to 34,168.80, 51,253.20 and 25,420.80

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Solution

The fourth proportional to 34,168.80, 51,253.20 and 25,420.80 is: 38,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.80 : 51,253.20 = 25,420.80 : x
  2. Step 2: Convert to fraction form
    34,168.80/51,253.20 = 25,420.80/x
  3. Step 3: Cross multiply
    34,168.80x = 51,253.20 × 25,420.80
  4. Step 4: Simplify right side
    34,168.80x = 1,302,897,346.56
  5. Step 5: Solve for x
    x = 1,302,897,346.56/34,168.80
  6. Step 6: Final answer
    x = 38,131.20

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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.