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Finding the Fourth Proportional to 5,809.13, 8,713.80 and 1,649.27

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Solution

The fourth proportional to 5,809.13, 8,713.80 and 1,649.27 is: 2,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.13 : 8,713.80 = 1,649.27 : x
  2. Step 2: Convert to fraction form
    5,809.13/8,713.80 = 1,649.27/x
  3. Step 3: Cross multiply
    5,809.13x = 8,713.80 × 1,649.27
  4. Step 4: Simplify right side
    5,809.13x = 14,371,365.36
  5. Step 5: Solve for x
    x = 14,371,365.36/5,809.13
  6. Step 6: Final answer
    x = 2,473.93

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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.