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Finding the Fourth Proportional to 926, 1,386.84 and 733.04

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Solution

The fourth proportional to 926, 1,386.84 and 733.04 is: 1,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    926 : 1,386.84 = 733.04 : x
  2. Step 2: Convert to fraction form
    926/1,386.84 = 733.04/x
  3. Step 3: Cross multiply
    926x = 1,386.84 × 733.04
  4. Step 4: Simplify right side
    926x = 1,016,609.19
  5. Step 5: Solve for x
    x = 1,016,609.19/926
  6. Step 6: Final answer
    x = 1,097.85

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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.