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Finding the Fourth Proportional to 57,849.80, 79,833.75 and 32,699.30

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Solution

The fourth proportional to 57,849.80, 79,833.75 and 32,699.30 is: 45,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,849.80 : 79,833.75 = 32,699.30 : x
  2. Step 2: Convert to fraction form
    57,849.80/79,833.75 = 32,699.30/x
  3. Step 3: Cross multiply
    57,849.80x = 79,833.75 × 32,699.30
  4. Step 4: Simplify right side
    57,849.80x = 2,610,507,741.38
  5. Step 5: Solve for x
    x = 2,610,507,741.38/57,849.80
  6. Step 6: Final answer
    x = 45,125.61

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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.