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Finding the Fourth Proportional to 52,594.62, 72,576.90 and 28,720.86

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Solution

The fourth proportional to 52,594.62, 72,576.90 and 28,720.86 is: 39,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,594.62 : 72,576.90 = 28,720.86 : x
  2. Step 2: Convert to fraction form
    52,594.62/72,576.90 = 28,720.86/x
  3. Step 3: Cross multiply
    52,594.62x = 72,576.90 × 28,720.86
  4. Step 4: Simplify right side
    52,594.62x = 2,084,470,984.13
  5. Step 5: Solve for x
    x = 2,084,470,984.13/52,594.62
  6. Step 6: Final answer
    x = 39,632.78

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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.