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Finding the Fourth Proportional to 40,468.60, 55,843.77 and 22,564.54

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Solution

The fourth proportional to 40,468.60, 55,843.77 and 22,564.54 is: 31,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,468.60 : 55,843.77 = 22,564.54 : x
  2. Step 2: Convert to fraction form
    40,468.60/55,843.77 = 22,564.54/x
  3. Step 3: Cross multiply
    40,468.60x = 55,843.77 × 22,564.54
  4. Step 4: Simplify right side
    40,468.60x = 1,260,088,981.92
  5. Step 5: Solve for x
    x = 1,260,088,981.92/40,468.60
  6. Step 6: Final answer
    x = 31,137.45

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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.