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Finding the Fourth Proportional to 43,562.84, 65,336.43 and 11,542.13

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Solution

The fourth proportional to 43,562.84, 65,336.43 and 11,542.13 is: 17,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,562.84 : 65,336.43 = 11,542.13 : x
  2. Step 2: Convert to fraction form
    43,562.84/65,336.43 = 11,542.13/x
  3. Step 3: Cross multiply
    43,562.84x = 65,336.43 × 11,542.13
  4. Step 4: Simplify right side
    43,562.84x = 754,121,568.80
  5. Step 5: Solve for x
    x = 754,121,568.80/43,562.84
  6. Step 6: Final answer
    x = 17,311.12

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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.