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Finding the Fourth Proportional to 1,775.17, 2,663.18 and 801.27

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Solution

The fourth proportional to 1,775.17, 2,663.18 and 801.27 is: 1,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.17 : 2,663.18 = 801.27 : x
  2. Step 2: Convert to fraction form
    1,775.17/2,663.18 = 801.27/x
  3. Step 3: Cross multiply
    1,775.17x = 2,663.18 × 801.27
  4. Step 4: Simplify right side
    1,775.17x = 2,133,926.24
  5. Step 5: Solve for x
    x = 2,133,926.24/1,775.17
  6. Step 6: Final answer
    x = 1,202.10

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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.