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Finding the Fourth Proportional to 56,811.80, 85,227.60 and 23,513.60

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Solution

The fourth proportional to 56,811.80, 85,227.60 and 23,513.60 is: 35,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.80 : 85,227.60 = 23,513.60 : x
  2. Step 2: Convert to fraction form
    56,811.80/85,227.60 = 23,513.60/x
  3. Step 3: Cross multiply
    56,811.80x = 85,227.60 × 23,513.60
  4. Step 4: Simplify right side
    56,811.80x = 2,004,007,695.36
  5. Step 5: Solve for x
    x = 2,004,007,695.36/56,811.80
  6. Step 6: Final answer
    x = 35,274.50

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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.