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Finding the Fourth Proportional to 29,729.16, 44,601.16 and 20,981.16

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Solution

The fourth proportional to 29,729.16, 44,601.16 and 20,981.16 is: 31,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,729.16 : 44,601.16 = 20,981.16 : x
  2. Step 2: Convert to fraction form
    29,729.16/44,601.16 = 20,981.16/x
  3. Step 3: Cross multiply
    29,729.16x = 44,601.16 × 20,981.16
  4. Step 4: Simplify right side
    29,729.16x = 935,784,074.15
  5. Step 5: Solve for x
    x = 935,784,074.15/29,729.16
  6. Step 6: Final answer
    x = 31,476.98

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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.