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Finding the Fourth Proportional to 2,602.53, 3,901.97 and 958.64

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Solution

The fourth proportional to 2,602.53, 3,901.97 and 958.64 is: 1,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.53 : 3,901.97 = 958.64 : x
  2. Step 2: Convert to fraction form
    2,602.53/3,901.97 = 958.64/x
  3. Step 3: Cross multiply
    2,602.53x = 3,901.97 × 958.64
  4. Step 4: Simplify right side
    2,602.53x = 3,740,567.41
  5. Step 5: Solve for x
    x = 3,740,567.41/2,602.53
  6. Step 6: Final answer
    x = 1,437.28

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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.