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Finding the Fourth Proportional to 6,707.52, 10,048.20 and 4,392

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Solution

The fourth proportional to 6,707.52, 10,048.20 and 4,392 is: 6,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.52 : 10,048.20 = 4,392 : x
  2. Step 2: Convert to fraction form
    6,707.52/10,048.20 = 4,392/x
  3. Step 3: Cross multiply
    6,707.52x = 10,048.20 × 4,392
  4. Step 4: Simplify right side
    6,707.52x = 44,131,694.40
  5. Step 5: Solve for x
    x = 44,131,694.40/6,707.52
  6. Step 6: Final answer
    x = 6,579.44

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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.