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Finding the Fourth Proportional to 27,425.91, 37,847.00 and 16,247.91

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Solution

The fourth proportional to 27,425.91, 37,847.00 and 16,247.91 is: 22,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.91 : 37,847.00 = 16,247.91 : x
  2. Step 2: Convert to fraction form
    27,425.91/37,847.00 = 16,247.91/x
  3. Step 3: Cross multiply
    27,425.91x = 37,847.00 × 16,247.91
  4. Step 4: Simplify right side
    27,425.91x = 614,934,568.53
  5. Step 5: Solve for x
    x = 614,934,568.53/27,425.91
  6. Step 6: Final answer
    x = 22,421.67

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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.