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Finding the Fourth Proportional to 7,279.73, 10,045.19 and 4,092.38

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Solution

The fourth proportional to 7,279.73, 10,045.19 and 4,092.38 is: 5,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.73 : 10,045.19 = 4,092.38 : x
  2. Step 2: Convert to fraction form
    7,279.73/10,045.19 = 4,092.38/x
  3. Step 3: Cross multiply
    7,279.73x = 10,045.19 × 4,092.38
  4. Step 4: Simplify right side
    7,279.73x = 41,108,663.96
  5. Step 5: Solve for x
    x = 41,108,663.96/7,279.73
  6. Step 6: Final answer
    x = 5,647.01

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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.