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Finding the Fourth Proportional to 1,099.41, 1,646.01 and 733.47

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Solution

The fourth proportional to 1,099.41, 1,646.01 and 733.47 is: 1,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099.41 : 1,646.01 = 733.47 : x
  2. Step 2: Convert to fraction form
    1,099.41/1,646.01 = 733.47/x
  3. Step 3: Cross multiply
    1,099.41x = 1,646.01 × 733.47
  4. Step 4: Simplify right side
    1,099.41x = 1,207,298.95
  5. Step 5: Solve for x
    x = 1,207,298.95/1,099.41
  6. Step 6: Final answer
    x = 1,098.13

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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.