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Finding the Fourth Proportional to 2,036.35, 3,052.93 and 866.53

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Solution

The fourth proportional to 2,036.35, 3,052.93 and 866.53 is: 1,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.35 : 3,052.93 = 866.53 : x
  2. Step 2: Convert to fraction form
    2,036.35/3,052.93 = 866.53/x
  3. Step 3: Cross multiply
    2,036.35x = 3,052.93 × 866.53
  4. Step 4: Simplify right side
    2,036.35x = 2,645,455.43
  5. Step 5: Solve for x
    x = 2,645,455.43/2,036.35
  6. Step 6: Final answer
    x = 1,299.12

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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.