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Finding the Fourth Proportional to 63,669, 87,855.30 and 35,371.08

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Solution

The fourth proportional to 63,669, 87,855.30 and 35,371.08 is: 48,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669 : 87,855.30 = 35,371.08 : x
  2. Step 2: Convert to fraction form
    63,669/87,855.30 = 35,371.08/x
  3. Step 3: Cross multiply
    63,669x = 87,855.30 × 35,371.08
  4. Step 4: Simplify right side
    63,669x = 3,107,536,844.72
  5. Step 5: Solve for x
    x = 3,107,536,844.72/63,669
  6. Step 6: Final answer
    x = 48,807.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.