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Finding the Fourth Proportional to 63,763.74, 87,994.47 and 35,469.43

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Solution

The fourth proportional to 63,763.74, 87,994.47 and 35,469.43 is: 48,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,763.74 : 87,994.47 = 35,469.43 : x
  2. Step 2: Convert to fraction form
    63,763.74/87,994.47 = 35,469.43/x
  3. Step 3: Cross multiply
    63,763.74x = 87,994.47 × 35,469.43
  4. Step 4: Simplify right side
    63,763.74x = 3,121,113,607.08
  5. Step 5: Solve for x
    x = 3,121,113,607.08/63,763.74
  6. Step 6: Final answer
    x = 48,948.10

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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.