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Finding the Fourth Proportional to 48,774.76, 73,161.10 and 22,479.50

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Solution

The fourth proportional to 48,774.76, 73,161.10 and 22,479.50 is: 33,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,774.76 : 73,161.10 = 22,479.50 : x
  2. Step 2: Convert to fraction form
    48,774.76/73,161.10 = 22,479.50/x
  3. Step 3: Cross multiply
    48,774.76x = 73,161.10 × 22,479.50
  4. Step 4: Simplify right side
    48,774.76x = 1,644,625,186.55
  5. Step 5: Solve for x
    x = 1,644,625,186.55/48,774.76
  6. Step 6: Final answer
    x = 33,718.78

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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.