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Finding the Fourth Proportional to 6,588.40, 9,881 and 2,204.72

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Solution

The fourth proportional to 6,588.40, 9,881 and 2,204.72 is: 3,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,588.40 : 9,881 = 2,204.72 : x
  2. Step 2: Convert to fraction form
    6,588.40/9,881 = 2,204.72/x
  3. Step 3: Cross multiply
    6,588.40x = 9,881 × 2,204.72
  4. Step 4: Simplify right side
    6,588.40x = 21,784,838.32
  5. Step 5: Solve for x
    x = 21,784,838.32/6,588.40
  6. Step 6: Final answer
    x = 3,306.54

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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.