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Finding the Fourth Proportional to 6,845.72, 9,448.56 and 4,326.23

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Solution

The fourth proportional to 6,845.72, 9,448.56 and 4,326.23 is: 5,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.72 : 9,448.56 = 4,326.23 : x
  2. Step 2: Convert to fraction form
    6,845.72/9,448.56 = 4,326.23/x
  3. Step 3: Cross multiply
    6,845.72x = 9,448.56 × 4,326.23
  4. Step 4: Simplify right side
    6,845.72x = 40,876,643.73
  5. Step 5: Solve for x
    x = 40,876,643.73/6,845.72
  6. Step 6: Final answer
    x = 5,971.12

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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.