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Finding the Fourth Proportional to 4,395.60, 6,591.80 and 2,203.60

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Solution

The fourth proportional to 4,395.60, 6,591.80 and 2,203.60 is: 3,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.60 : 6,591.80 = 2,203.60 : x
  2. Step 2: Convert to fraction form
    4,395.60/6,591.80 = 2,203.60/x
  3. Step 3: Cross multiply
    4,395.60x = 6,591.80 × 2,203.60
  4. Step 4: Simplify right side
    4,395.60x = 14,525,690.48
  5. Step 5: Solve for x
    x = 14,525,690.48/4,395.60
  6. Step 6: Final answer
    x = 3,304.60

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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.