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Finding the Fourth Proportional to 9,751.80, 14,622.30 and 4,204.20

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Solution

The fourth proportional to 9,751.80, 14,622.30 and 4,204.20 is: 6,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,751.80 : 14,622.30 = 4,204.20 : x
  2. Step 2: Convert to fraction form
    9,751.80/14,622.30 = 4,204.20/x
  3. Step 3: Cross multiply
    9,751.80x = 14,622.30 × 4,204.20
  4. Step 4: Simplify right side
    9,751.80x = 61,475,073.66
  5. Step 5: Solve for x
    x = 61,475,073.66/9,751.80
  6. Step 6: Final answer
    x = 6,303.97

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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.