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Finding the Fourth Proportional to 8,326.88, 11,489.19 and 4,969.04

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Solution

The fourth proportional to 8,326.88, 11,489.19 and 4,969.04 is: 6,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.88 : 11,489.19 = 4,969.04 : x
  2. Step 2: Convert to fraction form
    8,326.88/11,489.19 = 4,969.04/x
  3. Step 3: Cross multiply
    8,326.88x = 11,489.19 × 4,969.04
  4. Step 4: Simplify right side
    8,326.88x = 57,090,187.23
  5. Step 5: Solve for x
    x = 57,090,187.23/8,326.88
  6. Step 6: Final answer
    x = 6,856.14

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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.