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Finding the Fourth Proportional to 1,510.29, 2,084.25 and 847.14

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Solution

The fourth proportional to 1,510.29, 2,084.25 and 847.14 is: 1,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.29 : 2,084.25 = 847.14 : x
  2. Step 2: Convert to fraction form
    1,510.29/2,084.25 = 847.14/x
  3. Step 3: Cross multiply
    1,510.29x = 2,084.25 × 847.14
  4. Step 4: Simplify right side
    1,510.29x = 1,765,651.55
  5. Step 5: Solve for x
    x = 1,765,651.55/1,510.29
  6. Step 6: Final answer
    x = 1,169.08

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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.