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Finding the Fourth Proportional to 69,347.59, 95,700.46 and 39,133.28

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Solution

The fourth proportional to 69,347.59, 95,700.46 and 39,133.28 is: 54,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,347.59 : 95,700.46 = 39,133.28 : x
  2. Step 2: Convert to fraction form
    69,347.59/95,700.46 = 39,133.28/x
  3. Step 3: Cross multiply
    69,347.59x = 95,700.46 × 39,133.28
  4. Step 4: Simplify right side
    69,347.59x = 3,745,072,683.85
  5. Step 5: Solve for x
    x = 3,745,072,683.85/69,347.59
  6. Step 6: Final answer
    x = 54,004.36

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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.