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Finding the Fourth Proportional to 43,362.48, 65,049.24 and 13,769.76

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Solution

The fourth proportional to 43,362.48, 65,049.24 and 13,769.76 is: 20,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,362.48 : 65,049.24 = 13,769.76 : x
  2. Step 2: Convert to fraction form
    43,362.48/65,049.24 = 13,769.76/x
  3. Step 3: Cross multiply
    43,362.48x = 65,049.24 × 13,769.76
  4. Step 4: Simplify right side
    43,362.48x = 895,712,422.98
  5. Step 5: Solve for x
    x = 895,712,422.98/43,362.48
  6. Step 6: Final answer
    x = 20,656.39

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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.