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Finding the Fourth Proportional to 10,524.88, 15,777.08 and 8,796.88

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Solution

The fourth proportional to 10,524.88, 15,777.08 and 8,796.88 is: 13,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,524.88 : 15,777.08 = 8,796.88 : x
  2. Step 2: Convert to fraction form
    10,524.88/15,777.08 = 8,796.88/x
  3. Step 3: Cross multiply
    10,524.88x = 15,777.08 × 8,796.88
  4. Step 4: Simplify right side
    10,524.88x = 138,789,079.51
  5. Step 5: Solve for x
    x = 138,789,079.51/10,524.88
  6. Step 6: Final answer
    x = 13,186.76

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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.