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Finding the Fourth Proportional to 1,033.99, 1,551.18 and 547.58

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Solution

The fourth proportional to 1,033.99, 1,551.18 and 547.58 is: 821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.99 : 1,551.18 = 547.58 : x
  2. Step 2: Convert to fraction form
    1,033.99/1,551.18 = 547.58/x
  3. Step 3: Cross multiply
    1,033.99x = 1,551.18 × 547.58
  4. Step 4: Simplify right side
    1,033.99x = 849,395.14
  5. Step 5: Solve for x
    x = 849,395.14/1,033.99
  6. Step 6: Final answer
    x = 821.47

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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.