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Finding the Fourth Proportional to 2,030.39, 3,045.81 and 797.64

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Solution

The fourth proportional to 2,030.39, 3,045.81 and 797.64 is: 1,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.39 : 3,045.81 = 797.64 : x
  2. Step 2: Convert to fraction form
    2,030.39/3,045.81 = 797.64/x
  3. Step 3: Cross multiply
    2,030.39x = 3,045.81 × 797.64
  4. Step 4: Simplify right side
    2,030.39x = 2,429,451.46
  5. Step 5: Solve for x
    x = 2,429,451.46/2,030.39
  6. Step 6: Final answer
    x = 1,196.54

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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.