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Finding the Fourth Proportional to 6,799.05, 9,368.31 and 6,331.54

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Solution

The fourth proportional to 6,799.05, 9,368.31 and 6,331.54 is: 8,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.05 : 9,368.31 = 6,331.54 : x
  2. Step 2: Convert to fraction form
    6,799.05/9,368.31 = 6,331.54/x
  3. Step 3: Cross multiply
    6,799.05x = 9,368.31 × 6,331.54
  4. Step 4: Simplify right side
    6,799.05x = 59,315,829.50
  5. Step 5: Solve for x
    x = 59,315,829.50/6,799.05
  6. Step 6: Final answer
    x = 8,724.13

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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.