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Finding the Fourth Proportional to 71,799.66, 107,699.52 and 32,310.64

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Solution

The fourth proportional to 71,799.66, 107,699.52 and 32,310.64 is: 48,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,799.66 : 107,699.52 = 32,310.64 : x
  2. Step 2: Convert to fraction form
    71,799.66/107,699.52 = 32,310.64/x
  3. Step 3: Cross multiply
    71,799.66x = 107,699.52 × 32,310.64
  4. Step 4: Simplify right side
    71,799.66x = 3,479,840,418.89
  5. Step 5: Solve for x
    x = 3,479,840,418.89/71,799.66
  6. Step 6: Final answer
    x = 48,465.97

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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.