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Finding the Fourth Proportional to 9,006.52, 13,509.80 and 3,809.56

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Solution

The fourth proportional to 9,006.52, 13,509.80 and 3,809.56 is: 5,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.52 : 13,509.80 = 3,809.56 : x
  2. Step 2: Convert to fraction form
    9,006.52/13,509.80 = 3,809.56/x
  3. Step 3: Cross multiply
    9,006.52x = 13,509.80 × 3,809.56
  4. Step 4: Simplify right side
    9,006.52x = 51,466,393.69
  5. Step 5: Solve for x
    x = 51,466,393.69/9,006.52
  6. Step 6: Final answer
    x = 5,714.35

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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.