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Finding the Fourth Proportional to 75,779.45, 104,575.42 and 43,966.97

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Solution

The fourth proportional to 75,779.45, 104,575.42 and 43,966.97 is: 60,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,779.45 : 104,575.42 = 43,966.97 : x
  2. Step 2: Convert to fraction form
    75,779.45/104,575.42 = 43,966.97/x
  3. Step 3: Cross multiply
    75,779.45x = 104,575.42 × 43,966.97
  4. Step 4: Simplify right side
    75,779.45x = 4,597,864,353.88
  5. Step 5: Solve for x
    x = 4,597,864,353.88/75,779.45
  6. Step 6: Final answer
    x = 60,674.29

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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.