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Finding the Fourth Proportional to 18,908, 28,374.96 and 6,596

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Solution

The fourth proportional to 18,908, 28,374.96 and 6,596 is: 9,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908 : 28,374.96 = 6,596 : x
  2. Step 2: Convert to fraction form
    18,908/28,374.96 = 6,596/x
  3. Step 3: Cross multiply
    18,908x = 28,374.96 × 6,596
  4. Step 4: Simplify right side
    18,908x = 187,161,236.16
  5. Step 5: Solve for x
    x = 187,161,236.16/18,908
  6. Step 6: Final answer
    x = 9,898.52

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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.