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Finding the Fourth Proportional to 64,404.24, 88,876.48 and 35,719.28

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Solution

The fourth proportional to 64,404.24, 88,876.48 and 35,719.28 is: 49,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,404.24 : 88,876.48 = 35,719.28 : x
  2. Step 2: Convert to fraction form
    64,404.24/88,876.48 = 35,719.28/x
  3. Step 3: Cross multiply
    64,404.24x = 88,876.48 × 35,719.28
  4. Step 4: Simplify right side
    64,404.24x = 3,174,603,874.53
  5. Step 5: Solve for x
    x = 3,174,603,874.53/64,404.24
  6. Step 6: Final answer
    x = 49,291.85

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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.