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Finding the Fourth Proportional to 5,809.81, 8,713.90 and 2,346.25

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Solution

The fourth proportional to 5,809.81, 8,713.90 and 2,346.25 is: 3,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.81 : 8,713.90 = 2,346.25 : x
  2. Step 2: Convert to fraction form
    5,809.81/8,713.90 = 2,346.25/x
  3. Step 3: Cross multiply
    5,809.81x = 8,713.90 × 2,346.25
  4. Step 4: Simplify right side
    5,809.81x = 20,444,987.88
  5. Step 5: Solve for x
    x = 20,444,987.88/5,809.81
  6. Step 6: Final answer
    x = 3,519.05

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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.