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Finding the Fourth Proportional to 22,005.56, 33,006 and 6,210.20

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Solution

The fourth proportional to 22,005.56, 33,006 and 6,210.20 is: 9,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.56 : 33,006 = 6,210.20 : x
  2. Step 2: Convert to fraction form
    22,005.56/33,006 = 6,210.20/x
  3. Step 3: Cross multiply
    22,005.56x = 33,006 × 6,210.20
  4. Step 4: Simplify right side
    22,005.56x = 204,973,861.20
  5. Step 5: Solve for x
    x = 204,973,861.20/22,005.56
  6. Step 6: Final answer
    x = 9,314.64

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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.