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Finding the Fourth Proportional to 60,729.88, 83,814.54 and 35,579.38

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Solution

The fourth proportional to 60,729.88, 83,814.54 and 35,579.38 is: 49,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,729.88 : 83,814.54 = 35,579.38 : x
  2. Step 2: Convert to fraction form
    60,729.88/83,814.54 = 35,579.38/x
  3. Step 3: Cross multiply
    60,729.88x = 83,814.54 × 35,579.38
  4. Step 4: Simplify right side
    60,729.88x = 2,982,069,368.19
  5. Step 5: Solve for x
    x = 2,982,069,368.19/60,729.88
  6. Step 6: Final answer
    x = 49,103.82

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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.