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Finding the Fourth Proportional to 41,260.47, 61,890.02 and 13,180.32

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Solution

The fourth proportional to 41,260.47, 61,890.02 and 13,180.32 is: 19,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,260.47 : 61,890.02 = 13,180.32 : x
  2. Step 2: Convert to fraction form
    41,260.47/61,890.02 = 13,180.32/x
  3. Step 3: Cross multiply
    41,260.47x = 61,890.02 × 13,180.32
  4. Step 4: Simplify right side
    41,260.47x = 815,730,202.50
  5. Step 5: Solve for x
    x = 815,730,202.50/41,260.47
  6. Step 6: Final answer
    x = 19,770.26

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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.