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Finding the Fourth Proportional to 1,499.16, 2,068.68 and 835.96

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Solution

The fourth proportional to 1,499.16, 2,068.68 and 835.96 is: 1,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.16 : 2,068.68 = 835.96 : x
  2. Step 2: Convert to fraction form
    1,499.16/2,068.68 = 835.96/x
  3. Step 3: Cross multiply
    1,499.16x = 2,068.68 × 835.96
  4. Step 4: Simplify right side
    1,499.16x = 1,729,333.73
  5. Step 5: Solve for x
    x = 1,729,333.73/1,499.16
  6. Step 6: Final answer
    x = 1,153.54

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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.