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Finding the Fourth Proportional to 27,372.96, 37,774.74 and 14,797.71

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Solution

The fourth proportional to 27,372.96, 37,774.74 and 14,797.71 is: 20,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.96 : 37,774.74 = 14,797.71 : x
  2. Step 2: Convert to fraction form
    27,372.96/37,774.74 = 14,797.71/x
  3. Step 3: Cross multiply
    27,372.96x = 37,774.74 × 14,797.71
  4. Step 4: Simplify right side
    27,372.96x = 558,979,647.85
  5. Step 5: Solve for x
    x = 558,979,647.85/27,372.96
  6. Step 6: Final answer
    x = 20,420.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.