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Finding the Fourth Proportional to 60,292.80, 90,439.20 and 25,228.80

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Solution

The fourth proportional to 60,292.80, 90,439.20 and 25,228.80 is: 37,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,292.80 : 90,439.20 = 25,228.80 : x
  2. Step 2: Convert to fraction form
    60,292.80/90,439.20 = 25,228.80/x
  3. Step 3: Cross multiply
    60,292.80x = 90,439.20 × 25,228.80
  4. Step 4: Simplify right side
    60,292.80x = 2,281,672,488.96
  5. Step 5: Solve for x
    x = 2,281,672,488.96/60,292.80
  6. Step 6: Final answer
    x = 37,843.20

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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.