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Finding the Fourth Proportional to 71,799.95, 107,699.87 and 32,310.93

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Solution

The fourth proportional to 71,799.95, 107,699.87 and 32,310.93 is: 48,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,799.95 : 107,699.87 = 32,310.93 : x
  2. Step 2: Convert to fraction form
    71,799.95/107,699.87 = 32,310.93/x
  3. Step 3: Cross multiply
    71,799.95x = 107,699.87 × 32,310.93
  4. Step 4: Simplify right side
    71,799.95x = 3,479,883,445.23
  5. Step 5: Solve for x
    x = 3,479,883,445.23/71,799.95
  6. Step 6: Final answer
    x = 48,466.38

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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.