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Finding the Fourth Proportional to 7,372.25, 10,173.71 and 4,060.25

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Solution

The fourth proportional to 7,372.25, 10,173.71 and 4,060.25 is: 5,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.25 : 10,173.71 = 4,060.25 : x
  2. Step 2: Convert to fraction form
    7,372.25/10,173.71 = 4,060.25/x
  3. Step 3: Cross multiply
    7,372.25x = 10,173.71 × 4,060.25
  4. Step 4: Simplify right side
    7,372.25x = 41,307,785.73
  5. Step 5: Solve for x
    x = 41,307,785.73/7,372.25
  6. Step 6: Final answer
    x = 5,603.15

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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.