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Finding the Fourth Proportional to 5,566.64, 8,351.76 and 1,870.56

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Solution

The fourth proportional to 5,566.64, 8,351.76 and 1,870.56 is: 2,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.64 : 8,351.76 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    5,566.64/8,351.76 = 1,870.56/x
  3. Step 3: Cross multiply
    5,566.64x = 8,351.76 × 1,870.56
  4. Step 4: Simplify right side
    5,566.64x = 15,622,468.19
  5. Step 5: Solve for x
    x = 15,622,468.19/5,566.64
  6. Step 6: Final answer
    x = 2,806.44

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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.