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Finding the Fourth Proportional to 1,033.12, 1,552.51 and 546.51

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Solution

The fourth proportional to 1,033.12, 1,552.51 and 546.51 is: 821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.12 : 1,552.51 = 546.51 : x
  2. Step 2: Convert to fraction form
    1,033.12/1,552.51 = 546.51/x
  3. Step 3: Cross multiply
    1,033.12x = 1,552.51 × 546.51
  4. Step 4: Simplify right side
    1,033.12x = 848,462.24
  5. Step 5: Solve for x
    x = 848,462.24/1,033.12
  6. Step 6: Final answer
    x = 821.27

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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.