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Finding the Fourth Proportional to 7,372.69, 10,174.31 and 4,060.69

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Solution

The fourth proportional to 7,372.69, 10,174.31 and 4,060.69 is: 5,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.69 : 10,174.31 = 4,060.69 : x
  2. Step 2: Convert to fraction form
    7,372.69/10,174.31 = 4,060.69/x
  3. Step 3: Cross multiply
    7,372.69x = 10,174.31 × 4,060.69
  4. Step 4: Simplify right side
    7,372.69x = 41,314,688.36
  5. Step 5: Solve for x
    x = 41,314,688.36/7,372.69
  6. Step 6: Final answer
    x = 5,603.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.