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Finding the Fourth Proportional to 2,402.85, 3,602.08 and 1,015.44

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Solution

The fourth proportional to 2,402.85, 3,602.08 and 1,015.44 is: 1,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.85 : 3,602.08 = 1,015.44 : x
  2. Step 2: Convert to fraction form
    2,402.85/3,602.08 = 1,015.44/x
  3. Step 3: Cross multiply
    2,402.85x = 3,602.08 × 1,015.44
  4. Step 4: Simplify right side
    2,402.85x = 3,657,685.30
  5. Step 5: Solve for x
    x = 3,657,685.30/2,402.85
  6. Step 6: Final answer
    x = 1,522.23

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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.