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Finding the Fourth Proportional to 7,002.36, 9,663.30 and 4,349.88

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Solution

The fourth proportional to 7,002.36, 9,663.30 and 4,349.88 is: 6,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.36 : 9,663.30 = 4,349.88 : x
  2. Step 2: Convert to fraction form
    7,002.36/9,663.30 = 4,349.88/x
  3. Step 3: Cross multiply
    7,002.36x = 9,663.30 × 4,349.88
  4. Step 4: Simplify right side
    7,002.36x = 42,034,195.40
  5. Step 5: Solve for x
    x = 42,034,195.40/7,002.36
  6. Step 6: Final answer
    x = 6,002.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.