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Finding the Fourth Proportional to 7,123.01, 9,833.20 and 5,003.03

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Solution

The fourth proportional to 7,123.01, 9,833.20 and 5,003.03 is: 6,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.01 : 9,833.20 = 5,003.03 : x
  2. Step 2: Convert to fraction form
    7,123.01/9,833.20 = 5,003.03/x
  3. Step 3: Cross multiply
    7,123.01x = 9,833.20 × 5,003.03
  4. Step 4: Simplify right side
    7,123.01x = 49,195,806.67
  5. Step 5: Solve for x
    x = 49,195,806.67/7,123.01
  6. Step 6: Final answer
    x = 6,906.61

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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.