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Finding the Fourth Proportional to 63,022.68, 86,972.85 and 34,728.39

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Solution

The fourth proportional to 63,022.68, 86,972.85 and 34,728.39 is: 47,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,022.68 : 86,972.85 = 34,728.39 : x
  2. Step 2: Convert to fraction form
    63,022.68/86,972.85 = 34,728.39/x
  3. Step 3: Cross multiply
    63,022.68x = 86,972.85 × 34,728.39
  4. Step 4: Simplify right side
    63,022.68x = 3,020,427,054.21
  5. Step 5: Solve for x
    x = 3,020,427,054.21/63,022.68
  6. Step 6: Final answer
    x = 47,926.03

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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.