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Finding the Fourth Proportional to 18,199.69, 27,290.76 and 6,353.17

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Solution

The fourth proportional to 18,199.69, 27,290.76 and 6,353.17 is: 9,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.69 : 27,290.76 = 6,353.17 : x
  2. Step 2: Convert to fraction form
    18,199.69/27,290.76 = 6,353.17/x
  3. Step 3: Cross multiply
    18,199.69x = 27,290.76 × 6,353.17
  4. Step 4: Simplify right side
    18,199.69x = 173,382,837.71
  5. Step 5: Solve for x
    x = 173,382,837.71/18,199.69
  6. Step 6: Final answer
    x = 9,526.69

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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.