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Finding the Fourth Proportional to 41,053.60, 61,586.80 and 13,342.88

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Solution

The fourth proportional to 41,053.60, 61,586.80 and 13,342.88 is: 20,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,053.60 : 61,586.80 = 13,342.88 : x
  2. Step 2: Convert to fraction form
    41,053.60/61,586.80 = 13,342.88/x
  3. Step 3: Cross multiply
    41,053.60x = 61,586.80 × 13,342.88
  4. Step 4: Simplify right side
    41,053.60x = 821,745,281.98
  5. Step 5: Solve for x
    x = 821,745,281.98/41,053.60
  6. Step 6: Final answer
    x = 20,016.40

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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.