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Finding the Fourth Proportional to 41,103.20, 61,654.80 and 14,808.80

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Solution

The fourth proportional to 41,103.20, 61,654.80 and 14,808.80 is: 22,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,103.20 : 61,654.80 = 14,808.80 : x
  2. Step 2: Convert to fraction form
    41,103.20/61,654.80 = 14,808.80/x
  3. Step 3: Cross multiply
    41,103.20x = 61,654.80 × 14,808.80
  4. Step 4: Simplify right side
    41,103.20x = 913,033,602.24
  5. Step 5: Solve for x
    x = 913,033,602.24/41,103.20
  6. Step 6: Final answer
    x = 22,213.20

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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.