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Finding the Fourth Proportional to 17,777.52, 26,651.16 and 10,856.88

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Solution

The fourth proportional to 17,777.52, 26,651.16 and 10,856.88 is: 16,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.52 : 26,651.16 = 10,856.88 : x
  2. Step 2: Convert to fraction form
    17,777.52/26,651.16 = 10,856.88/x
  3. Step 3: Cross multiply
    17,777.52x = 26,651.16 × 10,856.88
  4. Step 4: Simplify right side
    17,777.52x = 289,348,445.98
  5. Step 5: Solve for x
    x = 289,348,445.98/17,777.52
  6. Step 6: Final answer
    x = 16,276.09

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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.