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Finding the Fourth Proportional to 40,501.80, 55,894.20 and 22,596.78

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Solution

The fourth proportional to 40,501.80, 55,894.20 and 22,596.78 is: 31,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,501.80 : 55,894.20 = 22,596.78 : x
  2. Step 2: Convert to fraction form
    40,501.80/55,894.20 = 22,596.78/x
  3. Step 3: Cross multiply
    40,501.80x = 55,894.20 × 22,596.78
  4. Step 4: Simplify right side
    40,501.80x = 1,263,028,940.68
  5. Step 5: Solve for x
    x = 1,263,028,940.68/40,501.80
  6. Step 6: Final answer
    x = 31,184.51

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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.