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Finding the Fourth Proportional to 41,130.40, 61,666.80 and 16,160.80

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Solution

The fourth proportional to 41,130.40, 61,666.80 and 16,160.80 is: 24,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130.40 : 61,666.80 = 16,160.80 : x
  2. Step 2: Convert to fraction form
    41,130.40/61,666.80 = 16,160.80/x
  3. Step 3: Cross multiply
    41,130.40x = 61,666.80 × 16,160.80
  4. Step 4: Simplify right side
    41,130.40x = 996,584,821.44
  5. Step 5: Solve for x
    x = 996,584,821.44/41,130.40
  6. Step 6: Final answer
    x = 24,229.88

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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.