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Finding the Fourth Proportional to 3,695.76, 5,544.60 and 1,098.64

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Solution

The fourth proportional to 3,695.76, 5,544.60 and 1,098.64 is: 1,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.76 : 5,544.60 = 1,098.64 : x
  2. Step 2: Convert to fraction form
    3,695.76/5,544.60 = 1,098.64/x
  3. Step 3: Cross multiply
    3,695.76x = 5,544.60 × 1,098.64
  4. Step 4: Simplify right side
    3,695.76x = 6,091,519.34
  5. Step 5: Solve for x
    x = 6,091,519.34/3,695.76
  6. Step 6: Final answer
    x = 1,648.25

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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.