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Finding the Fourth Proportional to 7,227.13, 10,845.02 and 3,123.13

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Solution

The fourth proportional to 7,227.13, 10,845.02 and 3,123.13 is: 4,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.13 : 10,845.02 = 3,123.13 : x
  2. Step 2: Convert to fraction form
    7,227.13/10,845.02 = 3,123.13/x
  3. Step 3: Cross multiply
    7,227.13x = 10,845.02 × 3,123.13
  4. Step 4: Simplify right side
    7,227.13x = 33,870,407.31
  5. Step 5: Solve for x
    x = 33,870,407.31/7,227.13
  6. Step 6: Final answer
    x = 4,686.56

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1.5x scale

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.