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Finding the Fourth Proportional to 53,227.87, 79,857.19 and 15,788.82

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Solution

The fourth proportional to 53,227.87, 79,857.19 and 15,788.82 is: 23,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,227.87 : 79,857.19 = 15,788.82 : x
  2. Step 2: Convert to fraction form
    53,227.87/79,857.19 = 15,788.82/x
  3. Step 3: Cross multiply
    53,227.87x = 79,857.19 × 15,788.82
  4. Step 4: Simplify right side
    53,227.87x = 1,260,851,117.82
  5. Step 5: Solve for x
    x = 1,260,851,117.82/53,227.87
  6. Step 6: Final answer
    x = 23,687.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.