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Finding the Fourth Proportional to 4,703.38, 7,048.92 and 2,623.30

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Solution

The fourth proportional to 4,703.38, 7,048.92 and 2,623.30 is: 3,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.38 : 7,048.92 = 2,623.30 : x
  2. Step 2: Convert to fraction form
    4,703.38/7,048.92 = 2,623.30/x
  3. Step 3: Cross multiply
    4,703.38x = 7,048.92 × 2,623.30
  4. Step 4: Simplify right side
    4,703.38x = 18,491,431.84
  5. Step 5: Solve for x
    x = 18,491,431.84/4,703.38
  6. Step 6: Final answer
    x = 3,931.52

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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.