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Finding the Fourth Proportional to 3,303.71, 4,559.11 and 1,811.69

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Solution

The fourth proportional to 3,303.71, 4,559.11 and 1,811.69 is: 2,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.71 : 4,559.11 = 1,811.69 : x
  2. Step 2: Convert to fraction form
    3,303.71/4,559.11 = 1,811.69/x
  3. Step 3: Cross multiply
    3,303.71x = 4,559.11 × 1,811.69
  4. Step 4: Simplify right side
    3,303.71x = 8,259,694.00
  5. Step 5: Solve for x
    x = 8,259,694.00/3,303.71
  6. Step 6: Final answer
    x = 2,500.13

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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.