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Finding the Fourth Proportional to 64,408.82, 88,923.57 and 51,034.10

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Solution

The fourth proportional to 64,408.82, 88,923.57 and 51,034.10 is: 70,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.82 : 88,923.57 = 51,034.10 : x
  2. Step 2: Convert to fraction form
    64,408.82/88,923.57 = 51,034.10/x
  3. Step 3: Cross multiply
    64,408.82x = 88,923.57 × 51,034.10
  4. Step 4: Simplify right side
    64,408.82x = 4,538,134,363.74
  5. Step 5: Solve for x
    x = 4,538,134,363.74/64,408.82
  6. Step 6: Final answer
    x = 70,458.28

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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.