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Finding the Fourth Proportional to 2,602.08, 3,901.92 and 958.56

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Solution

The fourth proportional to 2,602.08, 3,901.92 and 958.56 is: 1,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.08 : 3,901.92 = 958.56 : x
  2. Step 2: Convert to fraction form
    2,602.08/3,901.92 = 958.56/x
  3. Step 3: Cross multiply
    2,602.08x = 3,901.92 × 958.56
  4. Step 4: Simplify right side
    2,602.08x = 3,740,224.44
  5. Step 5: Solve for x
    x = 3,740,224.44/2,602.08
  6. Step 6: Final answer
    x = 1,437.40

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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.