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Finding the Fourth Proportional to 4,654.02, 6,981.02 and 2,187.02

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Solution

The fourth proportional to 4,654.02, 6,981.02 and 2,187.02 is: 3,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.02 : 6,981.02 = 2,187.02 : x
  2. Step 2: Convert to fraction form
    4,654.02/6,981.02 = 2,187.02/x
  3. Step 3: Cross multiply
    4,654.02x = 6,981.02 × 2,187.02
  4. Step 4: Simplify right side
    4,654.02x = 15,267,630.36
  5. Step 5: Solve for x
    x = 15,267,630.36/4,654.02
  6. Step 6: Final answer
    x = 3,280.53

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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.