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Finding the Fourth Proportional to 6,534.40, 9,805.80 and 3,614.80

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Solution

The fourth proportional to 6,534.40, 9,805.80 and 3,614.80 is: 5,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534.40 : 9,805.80 = 3,614.80 : x
  2. Step 2: Convert to fraction form
    6,534.40/9,805.80 = 3,614.80/x
  3. Step 3: Cross multiply
    6,534.40x = 9,805.80 × 3,614.80
  4. Step 4: Simplify right side
    6,534.40x = 35,446,005.84
  5. Step 5: Solve for x
    x = 35,446,005.84/6,534.40
  6. Step 6: Final answer
    x = 5,424.52

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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.