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Finding the Fourth Proportional to 64,408.85, 88,866.04 and 41,748.79

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Solution

The fourth proportional to 64,408.85, 88,866.04 and 41,748.79 is: 57,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.85 : 88,866.04 = 41,748.79 : x
  2. Step 2: Convert to fraction form
    64,408.85/88,866.04 = 41,748.79/x
  3. Step 3: Cross multiply
    64,408.85x = 88,866.04 × 41,748.79
  4. Step 4: Simplify right side
    64,408.85x = 3,710,049,642.09
  5. Step 5: Solve for x
    x = 3,710,049,642.09/64,408.85
  6. Step 6: Final answer
    x = 57,601.55

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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.