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Finding the Fourth Proportional to 36,990.51, 55,499.75 and 22,209.71

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Solution

The fourth proportional to 36,990.51, 55,499.75 and 22,209.71 is: 33,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.51 : 55,499.75 = 22,209.71 : x
  2. Step 2: Convert to fraction form
    36,990.51/55,499.75 = 22,209.71/x
  3. Step 3: Cross multiply
    36,990.51x = 55,499.75 × 22,209.71
  4. Step 4: Simplify right side
    36,990.51x = 1,232,632,964.03
  5. Step 5: Solve for x
    x = 1,232,632,964.03/36,990.51
  6. Step 6: Final answer
    x = 33,322.95

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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.