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Finding the Fourth Proportional to 7,032.70, 10,553.10 and 2,653.30

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Solution

The fourth proportional to 7,032.70, 10,553.10 and 2,653.30 is: 3,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.70 : 10,553.10 = 2,653.30 : x
  2. Step 2: Convert to fraction form
    7,032.70/10,553.10 = 2,653.30/x
  3. Step 3: Cross multiply
    7,032.70x = 10,553.10 × 2,653.30
  4. Step 4: Simplify right side
    7,032.70x = 28,000,540.23
  5. Step 5: Solve for x
    x = 28,000,540.23/7,032.70
  6. Step 6: Final answer
    x = 3,981.48

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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.