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Finding the Fourth Proportional to 3,033.48, 4,549.23 and 981

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Solution

The fourth proportional to 3,033.48, 4,549.23 and 981 is: 1,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.48 : 4,549.23 = 981 : x
  2. Step 2: Convert to fraction form
    3,033.48/4,549.23 = 981/x
  3. Step 3: Cross multiply
    3,033.48x = 4,549.23 × 981
  4. Step 4: Simplify right side
    3,033.48x = 4,462,794.63
  5. Step 5: Solve for x
    x = 4,462,794.63/3,033.48
  6. Step 6: Final answer
    x = 1,471.18

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Why These Related Problems?

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