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Finding the Fourth Proportional to 36,432.60, 50,278.86 and 22,281

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Solution

The fourth proportional to 36,432.60, 50,278.86 and 22,281 is: 30,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,432.60 : 50,278.86 = 22,281 : x
  2. Step 2: Convert to fraction form
    36,432.60/50,278.86 = 22,281/x
  3. Step 3: Cross multiply
    36,432.60x = 50,278.86 × 22,281
  4. Step 4: Simplify right side
    36,432.60x = 1,120,263,279.66
  5. Step 5: Solve for x
    x = 1,120,263,279.66/36,432.60
  6. Step 6: Final answer
    x = 30,748.92

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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.