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Finding the Fourth Proportional to 18,064.60, 27,097.10 and 6,369.61

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Solution

The fourth proportional to 18,064.60, 27,097.10 and 6,369.61 is: 9,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.60 : 27,097.10 = 6,369.61 : x
  2. Step 2: Convert to fraction form
    18,064.60/27,097.10 = 6,369.61/x
  3. Step 3: Cross multiply
    18,064.60x = 27,097.10 × 6,369.61
  4. Step 4: Simplify right side
    18,064.60x = 172,597,959.13
  5. Step 5: Solve for x
    x = 172,597,959.13/18,064.60
  6. Step 6: Final answer
    x = 9,554.49

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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.