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Finding the Fourth Proportional to 60,308.40, 90,446.40 and 25,240.80

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Solution

The fourth proportional to 60,308.40, 90,446.40 and 25,240.80 is: 37,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,308.40 : 90,446.40 = 25,240.80 : x
  2. Step 2: Convert to fraction form
    60,308.40/90,446.40 = 25,240.80/x
  3. Step 3: Cross multiply
    60,308.40x = 90,446.40 × 25,240.80
  4. Step 4: Simplify right side
    60,308.40x = 2,282,939,493.12
  5. Step 5: Solve for x
    x = 2,282,939,493.12/60,308.40
  6. Step 6: Final answer
    x = 37,854.42

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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.