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Finding the Fourth Proportional to 63,312.58, 87,369.87 and 35,017.66

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Solution

The fourth proportional to 63,312.58, 87,369.87 and 35,017.66 is: 48,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,312.58 : 87,369.87 = 35,017.66 : x
  2. Step 2: Convert to fraction form
    63,312.58/87,369.87 = 35,017.66/x
  3. Step 3: Cross multiply
    63,312.58x = 87,369.87 × 35,017.66
  4. Step 4: Simplify right side
    63,312.58x = 3,059,488,401.90
  5. Step 5: Solve for x
    x = 3,059,488,401.90/63,312.58
  6. Step 6: Final answer
    x = 48,323.55

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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.