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Finding the Fourth Proportional to 18,449.71, 27,672.52 and 6,603.01

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Solution

The fourth proportional to 18,449.71, 27,672.52 and 6,603.01 is: 9,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.71 : 27,672.52 = 6,603.01 : x
  2. Step 2: Convert to fraction form
    18,449.71/27,672.52 = 6,603.01/x
  3. Step 3: Cross multiply
    18,449.71x = 27,672.52 × 6,603.01
  4. Step 4: Simplify right side
    18,449.71x = 182,721,754.91
  5. Step 5: Solve for x
    x = 182,721,754.91/18,449.71
  6. Step 6: Final answer
    x = 9,903.77

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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.