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Finding the Fourth Proportional to 30,354.54, 45,531.60 and 25,149.48

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Solution

The fourth proportional to 30,354.54, 45,531.60 and 25,149.48 is: 37,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.54 : 45,531.60 = 25,149.48 : x
  2. Step 2: Convert to fraction form
    30,354.54/45,531.60 = 25,149.48/x
  3. Step 3: Cross multiply
    30,354.54x = 45,531.60 × 25,149.48
  4. Step 4: Simplify right side
    30,354.54x = 1,145,096,063.57
  5. Step 5: Solve for x
    x = 1,145,096,063.57/30,354.54
  6. Step 6: Final answer
    x = 37,724.05

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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.