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Finding the Fourth Proportional to 5,805.51, 8,711.92 and 2,473.75

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Solution

The fourth proportional to 5,805.51, 8,711.92 and 2,473.75 is: 3,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.51 : 8,711.92 = 2,473.75 : x
  2. Step 2: Convert to fraction form
    5,805.51/8,711.92 = 2,473.75/x
  3. Step 3: Cross multiply
    5,805.51x = 8,711.92 × 2,473.75
  4. Step 4: Simplify right side
    5,805.51x = 21,551,112.10
  5. Step 5: Solve for x
    x = 21,551,112.10/5,805.51
  6. Step 6: Final answer
    x = 3,712.18

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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.