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Finding the Fourth Proportional to 37,855.56, 56,710.56 and 21,164.97

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Solution

The fourth proportional to 37,855.56, 56,710.56 and 21,164.97 is: 31,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.56 : 56,710.56 = 21,164.97 : x
  2. Step 2: Convert to fraction form
    37,855.56/56,710.56 = 21,164.97/x
  3. Step 3: Cross multiply
    37,855.56x = 56,710.56 × 21,164.97
  4. Step 4: Simplify right side
    37,855.56x = 1,200,277,301.08
  5. Step 5: Solve for x
    x = 1,200,277,301.08/37,855.56
  6. Step 6: Final answer
    x = 31,706.76

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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.