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Finding the Fourth Proportional to 64,394.44, 88,869.48 and 35,716.92

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Solution

The fourth proportional to 64,394.44, 88,869.48 and 35,716.92 is: 49,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,394.44 : 88,869.48 = 35,716.92 : x
  2. Step 2: Convert to fraction form
    64,394.44/88,869.48 = 35,716.92/x
  3. Step 3: Cross multiply
    64,394.44x = 88,869.48 × 35,716.92
  4. Step 4: Simplify right side
    64,394.44x = 3,174,144,107.60
  5. Step 5: Solve for x
    x = 3,174,144,107.60/64,394.44
  6. Step 6: Final answer
    x = 49,292.21

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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.