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Finding the Fourth Proportional to 3,303.80, 4,559.23 and 1,791.40

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Solution

The fourth proportional to 3,303.80, 4,559.23 and 1,791.40 is: 2,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.80 : 4,559.23 = 1,791.40 : x
  2. Step 2: Convert to fraction form
    3,303.80/4,559.23 = 1,791.40/x
  3. Step 3: Cross multiply
    3,303.80x = 4,559.23 × 1,791.40
  4. Step 4: Simplify right side
    3,303.80x = 8,167,404.62
  5. Step 5: Solve for x
    x = 8,167,404.62/3,303.80
  6. Step 6: Final answer
    x = 2,472.12

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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.