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Finding the Fourth Proportional to 2,036.68, 3,055.20 and 575.86

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Solution

The fourth proportional to 2,036.68, 3,055.20 and 575.86 is: 863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.68 : 3,055.20 = 575.86 : x
  2. Step 2: Convert to fraction form
    2,036.68/3,055.20 = 575.86/x
  3. Step 3: Cross multiply
    2,036.68x = 3,055.20 × 575.86
  4. Step 4: Simplify right side
    2,036.68x = 1,759,367.47
  5. Step 5: Solve for x
    x = 1,759,367.47/2,036.68
  6. Step 6: Final answer
    x = 863.84

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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.