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Finding the Fourth Proportional to 57,866.94, 79,862.31 and 35,207.56

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Solution

The fourth proportional to 57,866.94, 79,862.31 and 35,207.56 is: 48,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,866.94 : 79,862.31 = 35,207.56 : x
  2. Step 2: Convert to fraction form
    57,866.94/79,862.31 = 35,207.56/x
  3. Step 3: Cross multiply
    57,866.94x = 79,862.31 × 35,207.56
  4. Step 4: Simplify right side
    57,866.94x = 2,811,757,071.06
  5. Step 5: Solve for x
    x = 2,811,757,071.06/57,866.94
  6. Step 6: Final answer
    x = 48,590.04

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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.