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Finding the Fourth Proportional to 6,796.23, 9,376.10 and 4,139.03

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Solution

The fourth proportional to 6,796.23, 9,376.10 and 4,139.03 is: 5,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796.23 : 9,376.10 = 4,139.03 : x
  2. Step 2: Convert to fraction form
    6,796.23/9,376.10 = 4,139.03/x
  3. Step 3: Cross multiply
    6,796.23x = 9,376.10 × 4,139.03
  4. Step 4: Simplify right side
    6,796.23x = 38,807,891.61
  5. Step 5: Solve for x
    x = 38,807,891.61/6,796.23
  6. Step 6: Final answer
    x = 5,710.21

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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.