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Finding the Fourth Proportional to 56,810.88, 85,199.04 and 27,213.44

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Solution

The fourth proportional to 56,810.88, 85,199.04 and 27,213.44 is: 40,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,810.88 : 85,199.04 = 27,213.44 : x
  2. Step 2: Convert to fraction form
    56,810.88/85,199.04 = 27,213.44/x
  3. Step 3: Cross multiply
    56,810.88x = 85,199.04 × 27,213.44
  4. Step 4: Simplify right side
    56,810.88x = 2,318,558,963.10
  5. Step 5: Solve for x
    x = 2,318,558,963.10/56,810.88
  6. Step 6: Final answer
    x = 40,811.88

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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.