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Finding the Fourth Proportional to 2,036.78, 3,055.17 and 575.93

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Solution

The fourth proportional to 2,036.78, 3,055.17 and 575.93 is: 863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.78 : 3,055.17 = 575.93 : x
  2. Step 2: Convert to fraction form
    2,036.78/3,055.17 = 575.93/x
  3. Step 3: Cross multiply
    2,036.78x = 3,055.17 × 575.93
  4. Step 4: Simplify right side
    2,036.78x = 1,759,564.06
  5. Step 5: Solve for x
    x = 1,759,564.06/2,036.78
  6. Step 6: Final answer
    x = 863.90

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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.