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Finding the Fourth Proportional to 1,491.82, 2,233.95 and 1,101.94

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Solution

The fourth proportional to 1,491.82, 2,233.95 and 1,101.94 is: 1,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.82 : 2,233.95 = 1,101.94 : x
  2. Step 2: Convert to fraction form
    1,491.82/2,233.95 = 1,101.94/x
  3. Step 3: Cross multiply
    1,491.82x = 2,233.95 × 1,101.94
  4. Step 4: Simplify right side
    1,491.82x = 2,461,678.86
  5. Step 5: Solve for x
    x = 2,461,678.86/1,491.82
  6. Step 6: Final answer
    x = 1,650.12

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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.