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Finding the Fourth Proportional to 7,244.69, 9,992.51 and 6,649.10

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Solution

The fourth proportional to 7,244.69, 9,992.51 and 6,649.10 is: 9,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.69 : 9,992.51 = 6,649.10 : x
  2. Step 2: Convert to fraction form
    7,244.69/9,992.51 = 6,649.10/x
  3. Step 3: Cross multiply
    7,244.69x = 9,992.51 × 6,649.10
  4. Step 4: Simplify right side
    7,244.69x = 66,441,115.03
  5. Step 5: Solve for x
    x = 66,441,115.03/7,244.69
  6. Step 6: Final answer
    x = 9,171.02

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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.