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Finding the Fourth Proportional to 29,573.91, 44,426.48 and 28,640.79

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Solution

The fourth proportional to 29,573.91, 44,426.48 and 28,640.79 is: 43,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573.91 : 44,426.48 = 28,640.79 : x
  2. Step 2: Convert to fraction form
    29,573.91/44,426.48 = 28,640.79/x
  3. Step 3: Cross multiply
    29,573.91x = 44,426.48 × 28,640.79
  4. Step 4: Simplify right side
    29,573.91x = 1,272,409,340.92
  5. Step 5: Solve for x
    x = 1,272,409,340.92/29,573.91
  6. Step 6: Final answer
    x = 43,024.72

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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.