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Finding the Fourth Proportional to 9,310.01, 12,850.65 and 5,726.97

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Solution

The fourth proportional to 9,310.01, 12,850.65 and 5,726.97 is: 7,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.01 : 12,850.65 = 5,726.97 : x
  2. Step 2: Convert to fraction form
    9,310.01/12,850.65 = 5,726.97/x
  3. Step 3: Cross multiply
    9,310.01x = 12,850.65 × 5,726.97
  4. Step 4: Simplify right side
    9,310.01x = 73,595,287.03
  5. Step 5: Solve for x
    x = 73,595,287.03/9,310.01
  6. Step 6: Final answer
    x = 7,904.97

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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.