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Finding the Fourth Proportional to 29,727.16, 44,598.16 and 20,979.16

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Solution

The fourth proportional to 29,727.16, 44,598.16 and 20,979.16 is: 31,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,727.16 : 44,598.16 = 20,979.16 : x
  2. Step 2: Convert to fraction form
    29,727.16/44,598.16 = 20,979.16/x
  3. Step 3: Cross multiply
    29,727.16x = 44,598.16 × 20,979.16
  4. Step 4: Simplify right side
    29,727.16x = 935,631,849.07
  5. Step 5: Solve for x
    x = 935,631,849.07/29,727.16
  6. Step 6: Final answer
    x = 31,473.98

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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.