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Finding the Fourth Proportional to 16,615.56, 24,918.40 and 6,224.88

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Solution

The fourth proportional to 16,615.56, 24,918.40 and 6,224.88 is: 9,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.56 : 24,918.40 = 6,224.88 : x
  2. Step 2: Convert to fraction form
    16,615.56/24,918.40 = 6,224.88/x
  3. Step 3: Cross multiply
    16,615.56x = 24,918.40 × 6,224.88
  4. Step 4: Simplify right side
    16,615.56x = 155,114,049.79
  5. Step 5: Solve for x
    x = 155,114,049.79/16,615.56
  6. Step 6: Final answer
    x = 9,335.47

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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.