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Finding the Fourth Proportional to 17,072.56, 25,616.08 and 8,307.52

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Solution

The fourth proportional to 17,072.56, 25,616.08 and 8,307.52 is: 12,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.56 : 25,616.08 = 8,307.52 : x
  2. Step 2: Convert to fraction form
    17,072.56/25,616.08 = 8,307.52/x
  3. Step 3: Cross multiply
    17,072.56x = 25,616.08 × 8,307.52
  4. Step 4: Simplify right side
    17,072.56x = 212,806,096.92
  5. Step 5: Solve for x
    x = 212,806,096.92/17,072.56
  6. Step 6: Final answer
    x = 12,464.80

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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.