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Finding the Fourth Proportional to 100,479.49, 150,744.34 and 37,317.61

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Solution

The fourth proportional to 100,479.49, 150,744.34 and 37,317.61 is: 55,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,479.49 : 150,744.34 = 37,317.61 : x
  2. Step 2: Convert to fraction form
    100,479.49/150,744.34 = 37,317.61/x
  3. Step 3: Cross multiply
    100,479.49x = 150,744.34 × 37,317.61
  4. Step 4: Simplify right side
    100,479.49x = 5,625,418,724.90
  5. Step 5: Solve for x
    x = 5,625,418,724.90/100,479.49
  6. Step 6: Final answer
    x = 55,985.74

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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.