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Finding the Fourth Proportional to 41,813.60, 62,720.04 and 10,648.80

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Solution

The fourth proportional to 41,813.60, 62,720.04 and 10,648.80 is: 15,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,813.60 : 62,720.04 = 10,648.80 : x
  2. Step 2: Convert to fraction form
    41,813.60/62,720.04 = 10,648.80/x
  3. Step 3: Cross multiply
    41,813.60x = 62,720.04 × 10,648.80
  4. Step 4: Simplify right side
    41,813.60x = 667,893,161.95
  5. Step 5: Solve for x
    x = 667,893,161.95/41,813.60
  6. Step 6: Final answer
    x = 15,973.11

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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.