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Finding the Fourth Proportional to 64,408.26, 88,878.98 and 35,726.78

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Solution

The fourth proportional to 64,408.26, 88,878.98 and 35,726.78 is: 49,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.26 : 88,878.98 = 35,726.78 : x
  2. Step 2: Convert to fraction form
    64,408.26/88,878.98 = 35,726.78/x
  3. Step 3: Cross multiply
    64,408.26x = 88,878.98 × 35,726.78
  4. Step 4: Simplify right side
    64,408.26x = 3,175,359,142.06
  5. Step 5: Solve for x
    x = 3,175,359,142.06/64,408.26
  6. Step 6: Final answer
    x = 49,300.50

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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.