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Finding the Fourth Proportional to 40,594.86, 56,020.72 and 22,689.86

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Solution

The fourth proportional to 40,594.86, 56,020.72 and 22,689.86 is: 31,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,594.86 : 56,020.72 = 22,689.86 : x
  2. Step 2: Convert to fraction form
    40,594.86/56,020.72 = 22,689.86/x
  3. Step 3: Cross multiply
    40,594.86x = 56,020.72 × 22,689.86
  4. Step 4: Simplify right side
    40,594.86x = 1,271,102,293.90
  5. Step 5: Solve for x
    x = 1,271,102,293.90/40,594.86
  6. Step 6: Final answer
    x = 31,311.90

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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.