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Finding the Fourth Proportional to 71,775.96, 107,703.58 and 29,646.24

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Solution

The fourth proportional to 71,775.96, 107,703.58 and 29,646.24 is: 44,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,775.96 : 107,703.58 = 29,646.24 : x
  2. Step 2: Convert to fraction form
    71,775.96/107,703.58 = 29,646.24/x
  3. Step 3: Cross multiply
    71,775.96x = 107,703.58 × 29,646.24
  4. Step 4: Simplify right side
    71,775.96x = 3,193,006,181.54
  5. Step 5: Solve for x
    x = 3,193,006,181.54/71,775.96
  6. Step 6: Final answer
    x = 44,485.73

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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.