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Finding the Fourth Proportional to 69,972.93, 96,559.16 and 39,754.26

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Solution

The fourth proportional to 69,972.93, 96,559.16 and 39,754.26 is: 54,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.93 : 96,559.16 = 39,754.26 : x
  2. Step 2: Convert to fraction form
    69,972.93/96,559.16 = 39,754.26/x
  3. Step 3: Cross multiply
    69,972.93x = 96,559.16 × 39,754.26
  4. Step 4: Simplify right side
    69,972.93x = 3,838,637,753.25
  5. Step 5: Solve for x
    x = 3,838,637,753.25/69,972.93
  6. Step 6: Final answer
    x = 54,858.90

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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.