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Finding the Fourth Proportional to 1,034.12, 1,554.01 and 547.51

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Solution

The fourth proportional to 1,034.12, 1,554.01 and 547.51 is: 822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.12 : 1,554.01 = 547.51 : x
  2. Step 2: Convert to fraction form
    1,034.12/1,554.01 = 547.51/x
  3. Step 3: Cross multiply
    1,034.12x = 1,554.01 × 547.51
  4. Step 4: Simplify right side
    1,034.12x = 850,836.02
  5. Step 5: Solve for x
    x = 850,836.02/1,034.12
  6. Step 6: Final answer
    x = 822.76

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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.