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Finding the Fourth Proportional to 75,562.74, 103,613.46 and 73,594.44

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Solution

The fourth proportional to 75,562.74, 103,613.46 and 73,594.44 is: 100,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,562.74 : 103,613.46 = 73,594.44 : x
  2. Step 2: Convert to fraction form
    75,562.74/103,613.46 = 73,594.44/x
  3. Step 3: Cross multiply
    75,562.74x = 103,613.46 × 73,594.44
  4. Step 4: Simplify right side
    75,562.74x = 7,625,374,565.16
  5. Step 5: Solve for x
    x = 7,625,374,565.16/75,562.74
  6. Step 6: Final answer
    x = 100,914.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.