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Finding the Fourth Proportional to 27,192.80, 37,520.40 and 16,008.80

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Solution

The fourth proportional to 27,192.80, 37,520.40 and 16,008.80 is: 22,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.80 : 37,520.40 = 16,008.80 : x
  2. Step 2: Convert to fraction form
    27,192.80/37,520.40 = 16,008.80/x
  3. Step 3: Cross multiply
    27,192.80x = 37,520.40 × 16,008.80
  4. Step 4: Simplify right side
    27,192.80x = 600,656,579.52
  5. Step 5: Solve for x
    x = 600,656,579.52/27,192.80
  6. Step 6: Final answer
    x = 22,088.81

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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.