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Finding the Fourth Proportional to 19,393.89, 29,072.28 and 6,237

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Solution

The fourth proportional to 19,393.89, 29,072.28 and 6,237 is: 9,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.89 : 29,072.28 = 6,237 : x
  2. Step 2: Convert to fraction form
    19,393.89/29,072.28 = 6,237/x
  3. Step 3: Cross multiply
    19,393.89x = 29,072.28 × 6,237
  4. Step 4: Simplify right side
    19,393.89x = 181,323,810.36
  5. Step 5: Solve for x
    x = 181,323,810.36/19,393.89
  6. Step 6: Final answer
    x = 9,349.53

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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.