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Finding the Fourth Proportional to 6,808.98, 9,393.96 and 4,291.32

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Solution

The fourth proportional to 6,808.98, 9,393.96 and 4,291.32 is: 5,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.98 : 9,393.96 = 4,291.32 : x
  2. Step 2: Convert to fraction form
    6,808.98/9,393.96 = 4,291.32/x
  3. Step 3: Cross multiply
    6,808.98x = 9,393.96 × 4,291.32
  4. Step 4: Simplify right side
    6,808.98x = 40,312,488.43
  5. Step 5: Solve for x
    x = 40,312,488.43/6,808.98
  6. Step 6: Final answer
    x = 5,920.49

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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.