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Finding the Fourth Proportional to 9,241.41, 12,753.13 and 4,992.47

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Solution

The fourth proportional to 9,241.41, 12,753.13 and 4,992.47 is: 6,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241.41 : 12,753.13 = 4,992.47 : x
  2. Step 2: Convert to fraction form
    9,241.41/12,753.13 = 4,992.47/x
  3. Step 3: Cross multiply
    9,241.41x = 12,753.13 × 4,992.47
  4. Step 4: Simplify right side
    9,241.41x = 63,669,618.93
  5. Step 5: Solve for x
    x = 63,669,618.93/9,241.41
  6. Step 6: Final answer
    x = 6,889.60

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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.