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Finding the Fourth Proportional to 5,873.72, 8,809.25 and 1,712.82

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Solution

The fourth proportional to 5,873.72, 8,809.25 and 1,712.82 is: 2,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.72 : 8,809.25 = 1,712.82 : x
  2. Step 2: Convert to fraction form
    5,873.72/8,809.25 = 1,712.82/x
  3. Step 3: Cross multiply
    5,873.72x = 8,809.25 × 1,712.82
  4. Step 4: Simplify right side
    5,873.72x = 15,088,651.02
  5. Step 5: Solve for x
    x = 15,088,651.02/5,873.72
  6. Step 6: Final answer
    x = 2,568.84

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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.