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Finding the Fourth Proportional to 27,261.72, 40,887.84 and 8,793.72

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Solution

The fourth proportional to 27,261.72, 40,887.84 and 8,793.72 is: 13,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.72 : 40,887.84 = 8,793.72 : x
  2. Step 2: Convert to fraction form
    27,261.72/40,887.84 = 8,793.72/x
  3. Step 3: Cross multiply
    27,261.72x = 40,887.84 × 8,793.72
  4. Step 4: Simplify right side
    27,261.72x = 359,556,216.36
  5. Step 5: Solve for x
    x = 359,556,216.36/27,261.72
  6. Step 6: Final answer
    x = 13,189.05

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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.