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Finding the Fourth Proportional to 12,552, 17,321.76 and 6,964.08

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Solution

The fourth proportional to 12,552, 17,321.76 and 6,964.08 is: 9,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552 : 17,321.76 = 6,964.08 : x
  2. Step 2: Convert to fraction form
    12,552/17,321.76 = 6,964.08/x
  3. Step 3: Cross multiply
    12,552x = 17,321.76 × 6,964.08
  4. Step 4: Simplify right side
    12,552x = 120,630,122.38
  5. Step 5: Solve for x
    x = 120,630,122.38/12,552
  6. Step 6: Final answer
    x = 9,610.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.