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Finding the Fourth Proportional to 30,003.07, 44,979.07 and 18,324.49

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Solution

The fourth proportional to 30,003.07, 44,979.07 and 18,324.49 is: 27,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.07 : 44,979.07 = 18,324.49 : x
  2. Step 2: Convert to fraction form
    30,003.07/44,979.07 = 18,324.49/x
  3. Step 3: Cross multiply
    30,003.07x = 44,979.07 × 18,324.49
  4. Step 4: Simplify right side
    30,003.07x = 824,218,518.42
  5. Step 5: Solve for x
    x = 824,218,518.42/30,003.07
  6. Step 6: Final answer
    x = 27,471.14

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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.