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Finding the Fourth Proportional to 29,957.79, 44,939.21 and 10,237.71

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Solution

The fourth proportional to 29,957.79, 44,939.21 and 10,237.71 is: 15,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,957.79 : 44,939.21 = 10,237.71 : x
  2. Step 2: Convert to fraction form
    29,957.79/44,939.21 = 10,237.71/x
  3. Step 3: Cross multiply
    29,957.79x = 44,939.21 × 10,237.71
  4. Step 4: Simplify right side
    29,957.79x = 460,074,548.42
  5. Step 5: Solve for x
    x = 460,074,548.42/29,957.79
  6. Step 6: Final answer
    x = 15,357.43

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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.