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Finding the Fourth Proportional to 15,162.18, 22,735.62 and 8,839.08

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Solution

The fourth proportional to 15,162.18, 22,735.62 and 8,839.08 is: 13,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.18 : 22,735.62 = 8,839.08 : x
  2. Step 2: Convert to fraction form
    15,162.18/22,735.62 = 8,839.08/x
  3. Step 3: Cross multiply
    15,162.18x = 22,735.62 × 8,839.08
  4. Step 4: Simplify right side
    15,162.18x = 200,961,964.03
  5. Step 5: Solve for x
    x = 200,961,964.03/15,162.18
  6. Step 6: Final answer
    x = 13,254.16

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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.