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Finding the Fourth Proportional to 5,571, 8,357.04 and 1,874.16

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Solution

The fourth proportional to 5,571, 8,357.04 and 1,874.16 is: 2,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571 : 8,357.04 = 1,874.16 : x
  2. Step 2: Convert to fraction form
    5,571/8,357.04 = 1,874.16/x
  3. Step 3: Cross multiply
    5,571x = 8,357.04 × 1,874.16
  4. Step 4: Simplify right side
    5,571x = 15,662,430.09
  5. Step 5: Solve for x
    x = 15,662,430.09/5,571
  6. Step 6: Final answer
    x = 2,811.42

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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.