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Finding the Fourth Proportional to 3,566.55, 5,353.74 and 1,488.03

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Solution

The fourth proportional to 3,566.55, 5,353.74 and 1,488.03 is: 2,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.55 : 5,353.74 = 1,488.03 : x
  2. Step 2: Convert to fraction form
    3,566.55/5,353.74 = 1,488.03/x
  3. Step 3: Cross multiply
    3,566.55x = 5,353.74 × 1,488.03
  4. Step 4: Simplify right side
    3,566.55x = 7,966,525.73
  5. Step 5: Solve for x
    x = 7,966,525.73/3,566.55
  6. Step 6: Final answer
    x = 2,233.68

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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.