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Finding the Fourth Proportional to 4,395.80, 6,593.70 and 2,646.20

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Solution

The fourth proportional to 4,395.80, 6,593.70 and 2,646.20 is: 3,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.80 : 6,593.70 = 2,646.20 : x
  2. Step 2: Convert to fraction form
    4,395.80/6,593.70 = 2,646.20/x
  3. Step 3: Cross multiply
    4,395.80x = 6,593.70 × 2,646.20
  4. Step 4: Simplify right side
    4,395.80x = 17,448,248.94
  5. Step 5: Solve for x
    x = 17,448,248.94/4,395.80
  6. Step 6: Final answer
    x = 3,969.30

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