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Finding the Fourth Proportional to 75,561.74, 103,612.09 and 73,593.44

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Solution

The fourth proportional to 75,561.74, 103,612.09 and 73,593.44 is: 100,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,561.74 : 103,612.09 = 73,593.44 : x
  2. Step 2: Convert to fraction form
    75,561.74/103,612.09 = 73,593.44/x
  3. Step 3: Cross multiply
    75,561.74x = 103,612.09 × 73,593.44
  4. Step 4: Simplify right side
    75,561.74x = 7,625,169,426.65
  5. Step 5: Solve for x
    x = 7,625,169,426.65/75,561.74
  6. Step 6: Final answer
    x = 100,913.11

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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.