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Finding the Fourth Proportional to 3,598.80, 4,965.90 and 2,005.32

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Solution

The fourth proportional to 3,598.80, 4,965.90 and 2,005.32 is: 2,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.80 : 4,965.90 = 2,005.32 : x
  2. Step 2: Convert to fraction form
    3,598.80/4,965.90 = 2,005.32/x
  3. Step 3: Cross multiply
    3,598.80x = 4,965.90 × 2,005.32
  4. Step 4: Simplify right side
    3,598.80x = 9,958,218.59
  5. Step 5: Solve for x
    x = 9,958,218.59/3,598.80
  6. Step 6: Final answer
    x = 2,767.09

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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.