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Finding the Fourth Proportional to 1,042.93, 1,441.43 and 794.26

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Solution

The fourth proportional to 1,042.93, 1,441.43 and 794.26 is: 1,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.93 : 1,441.43 = 794.26 : x
  2. Step 2: Convert to fraction form
    1,042.93/1,441.43 = 794.26/x
  3. Step 3: Cross multiply
    1,042.93x = 1,441.43 × 794.26
  4. Step 4: Simplify right side
    1,042.93x = 1,144,870.19
  5. Step 5: Solve for x
    x = 1,144,870.19/1,042.93
  6. Step 6: Final answer
    x = 1,097.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.