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Finding the Fourth Proportional to 4,665.04, 7,000.80 and 2,721.04

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Solution

The fourth proportional to 4,665.04, 7,000.80 and 2,721.04 is: 4,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.04 : 7,000.80 = 2,721.04 : x
  2. Step 2: Convert to fraction form
    4,665.04/7,000.80 = 2,721.04/x
  3. Step 3: Cross multiply
    4,665.04x = 7,000.80 × 2,721.04
  4. Step 4: Simplify right side
    4,665.04x = 19,049,456.83
  5. Step 5: Solve for x
    x = 19,049,456.83/4,665.04
  6. Step 6: Final answer
    x = 4,083.45

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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.