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Finding the Fourth Proportional to 64,394.04, 88,860.78 and 36,099

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Solution

The fourth proportional to 64,394.04, 88,860.78 and 36,099 is: 49,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,394.04 : 88,860.78 = 36,099 : x
  2. Step 2: Convert to fraction form
    64,394.04/88,860.78 = 36,099/x
  3. Step 3: Cross multiply
    64,394.04x = 88,860.78 × 36,099
  4. Step 4: Simplify right side
    64,394.04x = 3,207,785,297.22
  5. Step 5: Solve for x
    x = 3,207,785,297.22/64,394.04
  6. Step 6: Final answer
    x = 49,814.94

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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.