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Finding the Fourth Proportional to 6,842.87, 9,443.14 and 3,699.06

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Solution

The fourth proportional to 6,842.87, 9,443.14 and 3,699.06 is: 5,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.87 : 9,443.14 = 3,699.06 : x
  2. Step 2: Convert to fraction form
    6,842.87/9,443.14 = 3,699.06/x
  3. Step 3: Cross multiply
    6,842.87x = 9,443.14 × 3,699.06
  4. Step 4: Simplify right side
    6,842.87x = 34,930,741.45
  5. Step 5: Solve for x
    x = 34,930,741.45/6,842.87
  6. Step 6: Final answer
    x = 5,104.69

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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.