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Finding the Fourth Proportional to 6,386.52, 9,580.14 and 2,003.88

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Solution

The fourth proportional to 6,386.52, 9,580.14 and 2,003.88 is: 3,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.52 : 9,580.14 = 2,003.88 : x
  2. Step 2: Convert to fraction form
    6,386.52/9,580.14 = 2,003.88/x
  3. Step 3: Cross multiply
    6,386.52x = 9,580.14 × 2,003.88
  4. Step 4: Simplify right side
    6,386.52x = 19,197,450.94
  5. Step 5: Solve for x
    x = 19,197,450.94/6,386.52
  6. Step 6: Final answer
    x = 3,005.93

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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.