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Finding the Fourth Proportional to 56,259.28, 84,340.32 and 26,662

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Solution

The fourth proportional to 56,259.28, 84,340.32 and 26,662 is: 39,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,259.28 : 84,340.32 = 26,662 : x
  2. Step 2: Convert to fraction form
    56,259.28/84,340.32 = 26,662/x
  3. Step 3: Cross multiply
    56,259.28x = 84,340.32 × 26,662
  4. Step 4: Simplify right side
    56,259.28x = 2,248,681,611.84
  5. Step 5: Solve for x
    x = 2,248,681,611.84/56,259.28
  6. Step 6: Final answer
    x = 39,969.97

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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.