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Finding the Fourth Proportional to 1,394.96, 1,924.41 and 835.14

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Solution

The fourth proportional to 1,394.96, 1,924.41 and 835.14 is: 1,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.96 : 1,924.41 = 835.14 : x
  2. Step 2: Convert to fraction form
    1,394.96/1,924.41 = 835.14/x
  3. Step 3: Cross multiply
    1,394.96x = 1,924.41 × 835.14
  4. Step 4: Simplify right side
    1,394.96x = 1,607,151.77
  5. Step 5: Solve for x
    x = 1,607,151.77/1,394.96
  6. Step 6: Final answer
    x = 1,152.12

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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.