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Finding the Fourth Proportional to 41,827.20, 62,740.80 and 14,124.80

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Solution

The fourth proportional to 41,827.20, 62,740.80 and 14,124.80 is: 21,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,827.20 : 62,740.80 = 14,124.80 : x
  2. Step 2: Convert to fraction form
    41,827.20/62,740.80 = 14,124.80/x
  3. Step 3: Cross multiply
    41,827.20x = 62,740.80 × 14,124.80
  4. Step 4: Simplify right side
    41,827.20x = 886,201,251.84
  5. Step 5: Solve for x
    x = 886,201,251.84/41,827.20
  6. Step 6: Final answer
    x = 21,187.20

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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.