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Finding the Fourth Proportional to 7,244, 10,866.08 and 1,772

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Solution

The fourth proportional to 7,244, 10,866.08 and 1,772 is: 2,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244 : 10,866.08 = 1,772 : x
  2. Step 2: Convert to fraction form
    7,244/10,866.08 = 1,772/x
  3. Step 3: Cross multiply
    7,244x = 10,866.08 × 1,772
  4. Step 4: Simplify right side
    7,244x = 19,254,693.76
  5. Step 5: Solve for x
    x = 19,254,693.76/7,244
  6. Step 6: Final answer
    x = 2,658.02

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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.