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Finding the Fourth Proportional to 54,453.60, 81,615.60 and 22,863.60

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Solution

The fourth proportional to 54,453.60, 81,615.60 and 22,863.60 is: 34,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.60 : 81,615.60 = 22,863.60 : x
  2. Step 2: Convert to fraction form
    54,453.60/81,615.60 = 22,863.60/x
  3. Step 3: Cross multiply
    54,453.60x = 81,615.60 × 22,863.60
  4. Step 4: Simplify right side
    54,453.60x = 1,866,026,432.16
  5. Step 5: Solve for x
    x = 1,866,026,432.16/54,453.60
  6. Step 6: Final answer
    x = 34,268.19

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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.