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Finding the Fourth Proportional to 54,689.63, 75,471.73 and 29,539.13

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Solution

The fourth proportional to 54,689.63, 75,471.73 and 29,539.13 is: 40,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,689.63 : 75,471.73 = 29,539.13 : x
  2. Step 2: Convert to fraction form
    54,689.63/75,471.73 = 29,539.13/x
  3. Step 3: Cross multiply
    54,689.63x = 75,471.73 × 29,539.13
  4. Step 4: Simplify right side
    54,689.63x = 2,229,368,958.75
  5. Step 5: Solve for x
    x = 2,229,368,958.75/54,689.63
  6. Step 6: Final answer
    x = 40,764.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.