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Finding the Fourth Proportional to 64,449.34, 88,934.11 and 36,149.56

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Solution

The fourth proportional to 64,449.34, 88,934.11 and 36,149.56 is: 49,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,449.34 : 88,934.11 = 36,149.56 : x
  2. Step 2: Convert to fraction form
    64,449.34/88,934.11 = 36,149.56/x
  3. Step 3: Cross multiply
    64,449.34x = 88,934.11 × 36,149.56
  4. Step 4: Simplify right side
    64,449.34x = 3,214,928,945.49
  5. Step 5: Solve for x
    x = 3,214,928,945.49/64,449.34
  6. Step 6: Final answer
    x = 49,883.04

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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.