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Finding the Fourth Proportional to 3,599.80, 4,967.64 and 2,027.90

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Solution

The fourth proportional to 3,599.80, 4,967.64 and 2,027.90 is: 2,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.80 : 4,967.64 = 2,027.90 : x
  2. Step 2: Convert to fraction form
    3,599.80/4,967.64 = 2,027.90/x
  3. Step 3: Cross multiply
    3,599.80x = 4,967.64 × 2,027.90
  4. Step 4: Simplify right side
    3,599.80x = 10,073,877.16
  5. Step 5: Solve for x
    x = 10,073,877.16/3,599.80
  6. Step 6: Final answer
    x = 2,798.45

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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.