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Finding the Fourth Proportional to 54,763.56, 75,573.66 and 29,613

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Solution

The fourth proportional to 54,763.56, 75,573.66 and 29,613 is: 40,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,763.56 : 75,573.66 = 29,613 : x
  2. Step 2: Convert to fraction form
    54,763.56/75,573.66 = 29,613/x
  3. Step 3: Cross multiply
    54,763.56x = 75,573.66 × 29,613
  4. Step 4: Simplify right side
    54,763.56x = 2,237,962,793.58
  5. Step 5: Solve for x
    x = 2,237,962,793.58/54,763.56
  6. Step 6: Final answer
    x = 40,865.91

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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.