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Finding the Fourth Proportional to 36,437.52, 54,656.28 and 20,844.21

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Solution

The fourth proportional to 36,437.52, 54,656.28 and 20,844.21 is: 31,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.52 : 54,656.28 = 20,844.21 : x
  2. Step 2: Convert to fraction form
    36,437.52/54,656.28 = 20,844.21/x
  3. Step 3: Cross multiply
    36,437.52x = 54,656.28 × 20,844.21
  4. Step 4: Simplify right side
    36,437.52x = 1,139,267,058.69
  5. Step 5: Solve for x
    x = 1,139,267,058.69/36,437.52
  6. Step 6: Final answer
    x = 31,266.32

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Similar ratio
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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.