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Finding the Fourth Proportional to 56,996.87, 85,496.76 and 27,004.08

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Solution

The fourth proportional to 56,996.87, 85,496.76 and 27,004.08 is: 40,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.87 : 85,496.76 = 27,004.08 : x
  2. Step 2: Convert to fraction form
    56,996.87/85,496.76 = 27,004.08/x
  3. Step 3: Cross multiply
    56,996.87x = 85,496.76 × 27,004.08
  4. Step 4: Simplify right side
    56,996.87x = 2,308,761,211.76
  5. Step 5: Solve for x
    x = 2,308,761,211.76/56,996.87
  6. Step 6: Final answer
    x = 40,506.81

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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.