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Finding the Fourth Proportional to 41,476.60, 62,214.90 and 20,740.60

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Solution

The fourth proportional to 41,476.60, 62,214.90 and 20,740.60 is: 31,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,476.60 : 62,214.90 = 20,740.60 : x
  2. Step 2: Convert to fraction form
    41,476.60/62,214.90 = 20,740.60/x
  3. Step 3: Cross multiply
    41,476.60x = 62,214.90 × 20,740.60
  4. Step 4: Simplify right side
    41,476.60x = 1,290,374,354.94
  5. Step 5: Solve for x
    x = 1,290,374,354.94/41,476.60
  6. Step 6: Final answer
    x = 31,110.90

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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.