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Finding the Fourth Proportional to 68,564.68, 94,619.48 and 38,350.52

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Solution

The fourth proportional to 68,564.68, 94,619.48 and 38,350.52 is: 52,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,564.68 : 94,619.48 = 38,350.52 : x
  2. Step 2: Convert to fraction form
    68,564.68/94,619.48 = 38,350.52/x
  3. Step 3: Cross multiply
    68,564.68x = 94,619.48 × 38,350.52
  4. Step 4: Simplify right side
    68,564.68x = 3,628,706,260.13
  5. Step 5: Solve for x
    x = 3,628,706,260.13/68,564.68
  6. Step 6: Final answer
    x = 52,923.84

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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.