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Finding the Fourth Proportional to 1,092.90, 1,507.82 and 700.14

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Solution

The fourth proportional to 1,092.90, 1,507.82 and 700.14 is: 965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.90 : 1,507.82 = 700.14 : x
  2. Step 2: Convert to fraction form
    1,092.90/1,507.82 = 700.14/x
  3. Step 3: Cross multiply
    1,092.90x = 1,507.82 × 700.14
  4. Step 4: Simplify right side
    1,092.90x = 1,055,681.59
  5. Step 5: Solve for x
    x = 1,055,681.59/1,092.90
  6. Step 6: Final answer
    x = 965.95

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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.