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Finding the Fourth Proportional to 41,474.80, 62,212.20 and 19,280.80

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Solution

The fourth proportional to 41,474.80, 62,212.20 and 19,280.80 is: 28,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,474.80 : 62,212.20 = 19,280.80 : x
  2. Step 2: Convert to fraction form
    41,474.80/62,212.20 = 19,280.80/x
  3. Step 3: Cross multiply
    41,474.80x = 62,212.20 × 19,280.80
  4. Step 4: Simplify right side
    41,474.80x = 1,199,500,985.76
  5. Step 5: Solve for x
    x = 1,199,500,985.76/41,474.80
  6. Step 6: Final answer
    x = 28,921.20

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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.