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Finding the Fourth Proportional to 5,811.78, 8,696.14 and 3,473.06

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Solution

The fourth proportional to 5,811.78, 8,696.14 and 3,473.06 is: 5,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.78 : 8,696.14 = 3,473.06 : x
  2. Step 2: Convert to fraction form
    5,811.78/8,696.14 = 3,473.06/x
  3. Step 3: Cross multiply
    5,811.78x = 8,696.14 × 3,473.06
  4. Step 4: Simplify right side
    5,811.78x = 30,202,215.99
  5. Step 5: Solve for x
    x = 30,202,215.99/5,811.78
  6. Step 6: Final answer
    x = 5,196.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.