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Finding the Fourth Proportional to 18,398.84, 27,592.74 and 6,550.49

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Solution

The fourth proportional to 18,398.84, 27,592.74 and 6,550.49 is: 9,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.84 : 27,592.74 = 6,550.49 : x
  2. Step 2: Convert to fraction form
    18,398.84/27,592.74 = 6,550.49/x
  3. Step 3: Cross multiply
    18,398.84x = 27,592.74 × 6,550.49
  4. Step 4: Simplify right side
    18,398.84x = 180,746,036.42
  5. Step 5: Solve for x
    x = 180,746,036.42/18,398.84
  6. Step 6: Final answer
    x = 9,823.78

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1.5x scale

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.