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Finding the Fourth Proportional to 17,737.89, 26,607.41 and 6,642.47

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Solution

The fourth proportional to 17,737.89, 26,607.41 and 6,642.47 is: 9,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.89 : 26,607.41 = 6,642.47 : x
  2. Step 2: Convert to fraction form
    17,737.89/26,607.41 = 6,642.47/x
  3. Step 3: Cross multiply
    17,737.89x = 26,607.41 × 6,642.47
  4. Step 4: Simplify right side
    17,737.89x = 176,738,756.45
  5. Step 5: Solve for x
    x = 176,738,756.45/17,737.89
  6. Step 6: Final answer
    x = 9,963.91

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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.