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Finding the Fourth Proportional to 4,753.30, 6,669.20 and 4,753.30

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Solution

The fourth proportional to 4,753.30, 6,669.20 and 4,753.30 is: 6,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.30 : 6,669.20 = 4,753.30 : x
  2. Step 2: Convert to fraction form
    4,753.30/6,669.20 = 4,753.30/x
  3. Step 3: Cross multiply
    4,753.30x = 6,669.20 × 4,753.30
  4. Step 4: Simplify right side
    4,753.30x = 31,700,708.36
  5. Step 5: Solve for x
    x = 31,700,708.36/4,753.30
  6. Step 6: Final answer
    x = 6,669.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.