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Finding the Fourth Proportional to 3,602.88, 4,972.14 and 2,031.03

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Solution

The fourth proportional to 3,602.88, 4,972.14 and 2,031.03 is: 2,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.88 : 4,972.14 = 2,031.03 : x
  2. Step 2: Convert to fraction form
    3,602.88/4,972.14 = 2,031.03/x
  3. Step 3: Cross multiply
    3,602.88x = 4,972.14 × 2,031.03
  4. Step 4: Simplify right side
    3,602.88x = 10,098,565.50
  5. Step 5: Solve for x
    x = 10,098,565.50/3,602.88
  6. Step 6: Final answer
    x = 2,802.91

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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.