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Finding the Fourth Proportional to 6,896.34, 9,519.12 and 4,063.57

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Solution

The fourth proportional to 6,896.34, 9,519.12 and 4,063.57 is: 5,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.34 : 9,519.12 = 4,063.57 : x
  2. Step 2: Convert to fraction form
    6,896.34/9,519.12 = 4,063.57/x
  3. Step 3: Cross multiply
    6,896.34x = 9,519.12 × 4,063.57
  4. Step 4: Simplify right side
    6,896.34x = 38,681,586.66
  5. Step 5: Solve for x
    x = 38,681,586.66/6,896.34
  6. Step 6: Final answer
    x = 5,609.00

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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.