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Finding the Fourth Proportional to 36,399.30, 51,062.70 and 36,399.30

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Solution

The fourth proportional to 36,399.30, 51,062.70 and 36,399.30 is: 51,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.30 : 51,062.70 = 36,399.30 : x
  2. Step 2: Convert to fraction form
    36,399.30/51,062.70 = 36,399.30/x
  3. Step 3: Cross multiply
    36,399.30x = 51,062.70 × 36,399.30
  4. Step 4: Simplify right side
    36,399.30x = 1,858,646,536.11
  5. Step 5: Solve for x
    x = 1,858,646,536.11/36,399.30
  6. Step 6: Final answer
    x = 51,062.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.