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Finding the Fourth Proportional to 52,594.85, 72,580.52 and 28,721.52

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Solution

The fourth proportional to 52,594.85, 72,580.52 and 28,721.52 is: 39,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,594.85 : 72,580.52 = 28,721.52 : x
  2. Step 2: Convert to fraction form
    52,594.85/72,580.52 = 28,721.52/x
  3. Step 3: Cross multiply
    52,594.85x = 72,580.52 × 28,721.52
  4. Step 4: Simplify right side
    52,594.85x = 2,084,622,856.79
  5. Step 5: Solve for x
    x = 2,084,622,856.79/52,594.85
  6. Step 6: Final answer
    x = 39,635.49

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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.