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Finding the Fourth Proportional to 69,064.39, 95,317.29 and 38,850.98

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Solution

The fourth proportional to 69,064.39, 95,317.29 and 38,850.98 is: 53,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,064.39 : 95,317.29 = 38,850.98 : x
  2. Step 2: Convert to fraction form
    69,064.39/95,317.29 = 38,850.98/x
  3. Step 3: Cross multiply
    69,064.39x = 95,317.29 × 38,850.98
  4. Step 4: Simplify right side
    69,064.39x = 3,703,169,933.19
  5. Step 5: Solve for x
    x = 3,703,169,933.19/69,064.39
  6. Step 6: Final answer
    x = 53,619.10

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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.