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Finding the Fourth Proportional to 1,547.91, 2,324.90 and 1,201.94

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Solution

The fourth proportional to 1,547.91, 2,324.90 and 1,201.94 is: 1,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.91 : 2,324.90 = 1,201.94 : x
  2. Step 2: Convert to fraction form
    1,547.91/2,324.90 = 1,201.94/x
  3. Step 3: Cross multiply
    1,547.91x = 2,324.90 × 1,201.94
  4. Step 4: Simplify right side
    1,547.91x = 2,794,390.40
  5. Step 5: Solve for x
    x = 2,794,390.40/1,547.91
  6. Step 6: Final answer
    x = 1,805.27

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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.