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Finding the Fourth Proportional to 3,756.88, 5,635.32 and 1,566.64

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Solution

The fourth proportional to 3,756.88, 5,635.32 and 1,566.64 is: 2,349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.88 : 5,635.32 = 1,566.64 : x
  2. Step 2: Convert to fraction form
    3,756.88/5,635.32 = 1,566.64/x
  3. Step 3: Cross multiply
    3,756.88x = 5,635.32 × 1,566.64
  4. Step 4: Simplify right side
    3,756.88x = 8,828,517.72
  5. Step 5: Solve for x
    x = 8,828,517.72/3,756.88
  6. Step 6: Final answer
    x = 2,349.96

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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.