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Finding the Fourth Proportional to 63,025.49, 86,974.05 and 34,345.40

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Solution

The fourth proportional to 63,025.49, 86,974.05 and 34,345.40 is: 47,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,025.49 : 86,974.05 = 34,345.40 : x
  2. Step 2: Convert to fraction form
    63,025.49/86,974.05 = 34,345.40/x
  3. Step 3: Cross multiply
    63,025.49x = 86,974.05 × 34,345.40
  4. Step 4: Simplify right side
    63,025.49x = 2,987,158,102.00
  5. Step 5: Solve for x
    x = 2,987,158,102.00/63,025.49
  6. Step 6: Final answer
    x = 47,396.04

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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.