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Finding the Fourth Proportional to 41,672.60, 57,509.56 and 22,809.72

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Solution

The fourth proportional to 41,672.60, 57,509.56 and 22,809.72 is: 31,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,672.60 : 57,509.56 = 22,809.72 : x
  2. Step 2: Convert to fraction form
    41,672.60/57,509.56 = 22,809.72/x
  3. Step 3: Cross multiply
    41,672.60x = 57,509.56 × 22,809.72
  4. Step 4: Simplify right side
    41,672.60x = 1,311,776,960.92
  5. Step 5: Solve for x
    x = 1,311,776,960.92/41,672.60
  6. Step 6: Final answer
    x = 31,478.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.