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Finding the Fourth Proportional to 40,236, 55,525.68 and 22,572

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Solution

The fourth proportional to 40,236, 55,525.68 and 22,572 is: 31,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,236 : 55,525.68 = 22,572 : x
  2. Step 2: Convert to fraction form
    40,236/55,525.68 = 22,572/x
  3. Step 3: Cross multiply
    40,236x = 55,525.68 × 22,572
  4. Step 4: Simplify right side
    40,236x = 1,253,325,648.96
  5. Step 5: Solve for x
    x = 1,253,325,648.96/40,236
  6. Step 6: Final answer
    x = 31,149.36

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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.