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Finding the Fourth Proportional to 1,036.46, 1,551.48 and 888.83

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Solution

The fourth proportional to 1,036.46, 1,551.48 and 888.83 is: 1,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.46 : 1,551.48 = 888.83 : x
  2. Step 2: Convert to fraction form
    1,036.46/1,551.48 = 888.83/x
  3. Step 3: Cross multiply
    1,036.46x = 1,551.48 × 888.83
  4. Step 4: Simplify right side
    1,036.46x = 1,379,001.97
  5. Step 5: Solve for x
    x = 1,379,001.97/1,036.46
  6. Step 6: Final answer
    x = 1,330.49

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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.