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Finding the Fourth Proportional to 64,327.33, 88,815.09 and 40,165.12

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Solution

The fourth proportional to 64,327.33, 88,815.09 and 40,165.12 is: 55,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,327.33 : 88,815.09 = 40,165.12 : x
  2. Step 2: Convert to fraction form
    64,327.33/88,815.09 = 40,165.12/x
  3. Step 3: Cross multiply
    64,327.33x = 88,815.09 × 40,165.12
  4. Step 4: Simplify right side
    64,327.33x = 3,567,268,747.66
  5. Step 5: Solve for x
    x = 3,567,268,747.66/64,327.33
  6. Step 6: Final answer
    x = 55,454.95

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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.