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Finding the Fourth Proportional to 1,415.24, 1,952.82 and 794.12

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Solution

The fourth proportional to 1,415.24, 1,952.82 and 794.12 is: 1,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.24 : 1,952.82 = 794.12 : x
  2. Step 2: Convert to fraction form
    1,415.24/1,952.82 = 794.12/x
  3. Step 3: Cross multiply
    1,415.24x = 1,952.82 × 794.12
  4. Step 4: Simplify right side
    1,415.24x = 1,550,773.42
  5. Step 5: Solve for x
    x = 1,550,773.42/1,415.24
  6. Step 6: Final answer
    x = 1,095.77

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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.