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Finding the Fourth Proportional to 64,371.12, 88,832.12 and 35,690.69

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Solution

The fourth proportional to 64,371.12, 88,832.12 and 35,690.69 is: 49,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,371.12 : 88,832.12 = 35,690.69 : x
  2. Step 2: Convert to fraction form
    64,371.12/88,832.12 = 35,690.69/x
  3. Step 3: Cross multiply
    64,371.12x = 88,832.12 × 35,690.69
  4. Step 4: Simplify right side
    64,371.12x = 3,170,479,968.27
  5. Step 5: Solve for x
    x = 3,170,479,968.27/64,371.12
  6. Step 6: Final answer
    x = 49,253.14

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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.