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Finding the Fourth Proportional to 36,661.64, 55,001.64 and 20,017.22

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Solution

The fourth proportional to 36,661.64, 55,001.64 and 20,017.22 is: 30,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,661.64 : 55,001.64 = 20,017.22 : x
  2. Step 2: Convert to fraction form
    36,661.64/55,001.64 = 20,017.22/x
  3. Step 3: Cross multiply
    36,661.64x = 55,001.64 × 20,017.22
  4. Step 4: Simplify right side
    36,661.64x = 1,100,979,928.24
  5. Step 5: Solve for x
    x = 1,100,979,928.24/36,661.64
  6. Step 6: Final answer
    x = 30,030.84

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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.