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Finding the Fourth Proportional to 3,061.36, 4,592.49 and 981.19

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Solution

The fourth proportional to 3,061.36, 4,592.49 and 981.19 is: 1,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.36 : 4,592.49 = 981.19 : x
  2. Step 2: Convert to fraction form
    3,061.36/4,592.49 = 981.19/x
  3. Step 3: Cross multiply
    3,061.36x = 4,592.49 × 981.19
  4. Step 4: Simplify right side
    3,061.36x = 4,506,105.26
  5. Step 5: Solve for x
    x = 4,506,105.26/3,061.36
  6. Step 6: Final answer
    x = 1,471.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.