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Finding the Fourth Proportional to 41,476.80, 62,215.20 and 39,230.40

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Solution

The fourth proportional to 41,476.80, 62,215.20 and 39,230.40 is: 58,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,476.80 : 62,215.20 = 39,230.40 : x
  2. Step 2: Convert to fraction form
    41,476.80/62,215.20 = 39,230.40/x
  3. Step 3: Cross multiply
    41,476.80x = 62,215.20 × 39,230.40
  4. Step 4: Simplify right side
    41,476.80x = 2,440,727,182.08
  5. Step 5: Solve for x
    x = 2,440,727,182.08/41,476.80
  6. Step 6: Final answer
    x = 58,845.60

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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.