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Finding the Fourth Proportional to 25,602, 38,359.32 and 18,169.68

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Solution

The fourth proportional to 25,602, 38,359.32 and 18,169.68 is: 27,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602 : 38,359.32 = 18,169.68 : x
  2. Step 2: Convert to fraction form
    25,602/38,359.32 = 18,169.68/x
  3. Step 3: Cross multiply
    25,602x = 38,359.32 × 18,169.68
  4. Step 4: Simplify right side
    25,602x = 696,976,569.42
  5. Step 5: Solve for x
    x = 696,976,569.42/25,602
  6. Step 6: Final answer
    x = 27,223.52

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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.