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Finding the Fourth Proportional to 27,698.99, 41,553.35 and 11,913.71

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Solution

The fourth proportional to 27,698.99, 41,553.35 and 11,913.71 is: 17,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.99 : 41,553.35 = 11,913.71 : x
  2. Step 2: Convert to fraction form
    27,698.99/41,553.35 = 11,913.71/x
  3. Step 3: Cross multiply
    27,698.99x = 41,553.35 × 11,913.71
  4. Step 4: Simplify right side
    27,698.99x = 495,054,501.86
  5. Step 5: Solve for x
    x = 495,054,501.86/27,698.99
  6. Step 6: Final answer
    x = 17,872.66

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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.