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Finding the Fourth Proportional to 2,017.03, 3,025.73 and 784.53

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Solution

The fourth proportional to 2,017.03, 3,025.73 and 784.53 is: 1,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.03 : 3,025.73 = 784.53 : x
  2. Step 2: Convert to fraction form
    2,017.03/3,025.73 = 784.53/x
  3. Step 3: Cross multiply
    2,017.03x = 3,025.73 × 784.53
  4. Step 4: Simplify right side
    2,017.03x = 2,373,775.96
  5. Step 5: Solve for x
    x = 2,373,775.96/2,017.03
  6. Step 6: Final answer
    x = 1,176.87

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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.