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Finding the Fourth Proportional to 63,355.87, 95,054.91 and 21,240.11

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Solution

The fourth proportional to 63,355.87, 95,054.91 and 21,240.11 is: 31,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355.87 : 95,054.91 = 21,240.11 : x
  2. Step 2: Convert to fraction form
    63,355.87/95,054.91 = 21,240.11/x
  3. Step 3: Cross multiply
    63,355.87x = 95,054.91 × 21,240.11
  4. Step 4: Simplify right side
    63,355.87x = 2,018,976,744.44
  5. Step 5: Solve for x
    x = 2,018,976,744.44/63,355.87
  6. Step 6: Final answer
    x = 31,867.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.