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Finding the Fourth Proportional to 5,809.36, 8,713.88 and 2,346.48

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Solution

The fourth proportional to 5,809.36, 8,713.88 and 2,346.48 is: 3,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.36 : 8,713.88 = 2,346.48 : x
  2. Step 2: Convert to fraction form
    5,809.36/8,713.88 = 2,346.48/x
  3. Step 3: Cross multiply
    5,809.36x = 8,713.88 × 2,346.48
  4. Step 4: Simplify right side
    5,809.36x = 20,446,945.14
  5. Step 5: Solve for x
    x = 20,446,945.14/5,809.36
  6. Step 6: Final answer
    x = 3,519.66

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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.