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Finding the Fourth Proportional to 52,794.46, 72,879.17 and 31,569.63

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Solution

The fourth proportional to 52,794.46, 72,879.17 and 31,569.63 is: 43,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.46 : 72,879.17 = 31,569.63 : x
  2. Step 2: Convert to fraction form
    52,794.46/72,879.17 = 31,569.63/x
  3. Step 3: Cross multiply
    52,794.46x = 72,879.17 × 31,569.63
  4. Step 4: Simplify right side
    52,794.46x = 2,300,768,431.61
  5. Step 5: Solve for x
    x = 2,300,768,431.61/52,794.46
  6. Step 6: Final answer
    x = 43,579.73

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1.5x scale

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.