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Finding the Fourth Proportional to 1,352.49, 1,866.45 and 792.82

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Solution

The fourth proportional to 1,352.49, 1,866.45 and 792.82 is: 1,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.49 : 1,866.45 = 792.82 : x
  2. Step 2: Convert to fraction form
    1,352.49/1,866.45 = 792.82/x
  3. Step 3: Cross multiply
    1,352.49x = 1,866.45 × 792.82
  4. Step 4: Simplify right side
    1,352.49x = 1,479,758.89
  5. Step 5: Solve for x
    x = 1,479,758.89/1,352.49
  6. Step 6: Final answer
    x = 1,094.10

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