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Finding the Fourth Proportional to 12,233.60, 18,301.80 and 10,608.20

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Solution

The fourth proportional to 12,233.60, 18,301.80 and 10,608.20 is: 15,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.60 : 18,301.80 = 10,608.20 : x
  2. Step 2: Convert to fraction form
    12,233.60/18,301.80 = 10,608.20/x
  3. Step 3: Cross multiply
    12,233.60x = 18,301.80 × 10,608.20
  4. Step 4: Simplify right side
    12,233.60x = 194,149,154.76
  5. Step 5: Solve for x
    x = 194,149,154.76/12,233.60
  6. Step 6: Final answer
    x = 15,870.16

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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.