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Finding the Fourth Proportional to 50,220, 75,355.92 and 25,596

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Solution

The fourth proportional to 50,220, 75,355.92 and 25,596 is: 38,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220 : 75,355.92 = 25,596 : x
  2. Step 2: Convert to fraction form
    50,220/75,355.92 = 25,596/x
  3. Step 3: Cross multiply
    50,220x = 75,355.92 × 25,596
  4. Step 4: Simplify right side
    50,220x = 1,928,810,128.32
  5. Step 5: Solve for x
    x = 1,928,810,128.32/50,220
  6. Step 6: Final answer
    x = 38,407.21

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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.