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Finding the Fourth Proportional to 3,303.60, 4,559.04 and 1,906.32

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Solution

The fourth proportional to 3,303.60, 4,559.04 and 1,906.32 is: 2,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.60 : 4,559.04 = 1,906.32 : x
  2. Step 2: Convert to fraction form
    3,303.60/4,559.04 = 1,906.32/x
  3. Step 3: Cross multiply
    3,303.60x = 4,559.04 × 1,906.32
  4. Step 4: Simplify right side
    3,303.60x = 8,690,989.13
  5. Step 5: Solve for x
    x = 8,690,989.13/3,303.60
  6. Step 6: Final answer
    x = 2,630.76

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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.