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Finding the Fourth Proportional to 19,372, 29,062.32 and 7,060

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Solution

The fourth proportional to 19,372, 29,062.32 and 7,060 is: 10,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372 : 29,062.32 = 7,060 : x
  2. Step 2: Convert to fraction form
    19,372/29,062.32 = 7,060/x
  3. Step 3: Cross multiply
    19,372x = 29,062.32 × 7,060
  4. Step 4: Simplify right side
    19,372x = 205,179,979.20
  5. Step 5: Solve for x
    x = 205,179,979.20/19,372
  6. Step 6: Final answer
    x = 10,591.57

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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.