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Finding the Fourth Proportional to 43,452.31, 65,287.65 and 27,664.39

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Solution

The fourth proportional to 43,452.31, 65,287.65 and 27,664.39 is: 41,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,452.31 : 65,287.65 = 27,664.39 : x
  2. Step 2: Convert to fraction form
    43,452.31/65,287.65 = 27,664.39/x
  3. Step 3: Cross multiply
    43,452.31x = 65,287.65 × 27,664.39
  4. Step 4: Simplify right side
    43,452.31x = 1,806,143,011.78
  5. Step 5: Solve for x
    x = 1,806,143,011.78/43,452.31
  6. Step 6: Final answer
    x = 41,566.10

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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.