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Finding the Fourth Proportional to 29,937.87, 44,906.81 and 20,549.42

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Solution

The fourth proportional to 29,937.87, 44,906.81 and 20,549.42 is: 30,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,937.87 : 44,906.81 = 20,549.42 : x
  2. Step 2: Convert to fraction form
    29,937.87/44,906.81 = 20,549.42/x
  3. Step 3: Cross multiply
    29,937.87x = 44,906.81 × 20,549.42
  4. Step 4: Simplify right side
    29,937.87x = 922,808,740.67
  5. Step 5: Solve for x
    x = 922,808,740.67/29,937.87
  6. Step 6: Final answer
    x = 30,824.13

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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.