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Finding the Fourth Proportional to 27,375.80, 37,780.08 and 16,045.52

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Solution

The fourth proportional to 27,375.80, 37,780.08 and 16,045.52 is: 22,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.80 : 37,780.08 = 16,045.52 : x
  2. Step 2: Convert to fraction form
    27,375.80/37,780.08 = 16,045.52/x
  3. Step 3: Cross multiply
    27,375.80x = 37,780.08 × 16,045.52
  4. Step 4: Simplify right side
    27,375.80x = 606,201,029.24
  5. Step 5: Solve for x
    x = 606,201,029.24/27,375.80
  6. Step 6: Final answer
    x = 22,143.68

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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.