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Finding the Fourth Proportional to 64,325.78, 88,768.26 and 35,645.20

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Solution

The fourth proportional to 64,325.78, 88,768.26 and 35,645.20 is: 49,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,325.78 : 88,768.26 = 35,645.20 : x
  2. Step 2: Convert to fraction form
    64,325.78/88,768.26 = 35,645.20/x
  3. Step 3: Cross multiply
    64,325.78x = 88,768.26 × 35,645.20
  4. Step 4: Simplify right side
    64,325.78x = 3,164,162,381.35
  5. Step 5: Solve for x
    x = 3,164,162,381.35/64,325.78
  6. Step 6: Final answer
    x = 49,189.65

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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.