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Finding the Fourth Proportional to 2,903.79, 4,007.17 and 1,610.22

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Solution

The fourth proportional to 2,903.79, 4,007.17 and 1,610.22 is: 2,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.79 : 4,007.17 = 1,610.22 : x
  2. Step 2: Convert to fraction form
    2,903.79/4,007.17 = 1,610.22/x
  3. Step 3: Cross multiply
    2,903.79x = 4,007.17 × 1,610.22
  4. Step 4: Simplify right side
    2,903.79x = 6,452,442.32
  5. Step 5: Solve for x
    x = 6,452,442.32/2,903.79
  6. Step 6: Final answer
    x = 2,222.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.