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Finding the Fourth Proportional to 6,605.52, 9,895.28 and 3,308.88

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Solution

The fourth proportional to 6,605.52, 9,895.28 and 3,308.88 is: 4,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.52 : 9,895.28 = 3,308.88 : x
  2. Step 2: Convert to fraction form
    6,605.52/9,895.28 = 3,308.88/x
  3. Step 3: Cross multiply
    6,605.52x = 9,895.28 × 3,308.88
  4. Step 4: Simplify right side
    6,605.52x = 32,742,294.09
  5. Step 5: Solve for x
    x = 32,742,294.09/6,605.52
  6. Step 6: Final answer
    x = 4,956.81

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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.