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Finding the Fourth Proportional to 27,380.45, 37,797.70 and 16,048.45

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Solution

The fourth proportional to 27,380.45, 37,797.70 and 16,048.45 is: 22,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.45 : 37,797.70 = 16,048.45 : x
  2. Step 2: Convert to fraction form
    27,380.45/37,797.70 = 16,048.45/x
  3. Step 3: Cross multiply
    27,380.45x = 37,797.70 × 16,048.45
  4. Step 4: Simplify right side
    27,380.45x = 606,594,498.57
  5. Step 5: Solve for x
    x = 606,594,498.57/27,380.45
  6. Step 6: Final answer
    x = 22,154.29

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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.