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Finding the Fourth Proportional to 2,035.93, 3,053.64 and 866.40

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Solution

The fourth proportional to 2,035.93, 3,053.64 and 866.40 is: 1,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.93 : 3,053.64 = 866.40 : x
  2. Step 2: Convert to fraction form
    2,035.93/3,053.64 = 866.40/x
  3. Step 3: Cross multiply
    2,035.93x = 3,053.64 × 866.40
  4. Step 4: Simplify right side
    2,035.93x = 2,645,654.10
  5. Step 5: Solve for x
    x = 2,645,654.10/2,035.93
  6. Step 6: Final answer
    x = 1,299.49

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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.