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Finding the Fourth Proportional to 1,036.11, 1,554.18 and 451.08

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Solution

The fourth proportional to 1,036.11, 1,554.18 and 451.08 is: 676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.11 : 1,554.18 = 451.08 : x
  2. Step 2: Convert to fraction form
    1,036.11/1,554.18 = 451.08/x
  3. Step 3: Cross multiply
    1,036.11x = 1,554.18 × 451.08
  4. Step 4: Simplify right side
    1,036.11x = 701,059.51
  5. Step 5: Solve for x
    x = 701,059.51/1,036.11
  6. Step 6: Final answer
    x = 676.63

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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.