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Finding the Fourth Proportional to 63,394.03, 87,486.50 and 35,099.72

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Solution

The fourth proportional to 63,394.03, 87,486.50 and 35,099.72 is: 48,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394.03 : 87,486.50 = 35,099.72 : x
  2. Step 2: Convert to fraction form
    63,394.03/87,486.50 = 35,099.72/x
  3. Step 3: Cross multiply
    63,394.03x = 87,486.50 × 35,099.72
  4. Step 4: Simplify right side
    63,394.03x = 3,070,751,434.74
  5. Step 5: Solve for x
    x = 3,070,751,434.74/63,394.03
  6. Step 6: Final answer
    x = 48,439.13

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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.