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Finding the Fourth Proportional to 57,357.48, 79,182.11 and 35,859.17

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Solution

The fourth proportional to 57,357.48, 79,182.11 and 35,859.17 is: 49,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357.48 : 79,182.11 = 35,859.17 : x
  2. Step 2: Convert to fraction form
    57,357.48/79,182.11 = 35,859.17/x
  3. Step 3: Cross multiply
    57,357.48x = 79,182.11 × 35,859.17
  4. Step 4: Simplify right side
    57,357.48x = 2,839,404,829.34
  5. Step 5: Solve for x
    x = 2,839,404,829.34/57,357.48
  6. Step 6: Final answer
    x = 49,503.65

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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.