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Finding the Fourth Proportional to 12,574.56, 18,865.94 and 5,999.90

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Solution

The fourth proportional to 12,574.56, 18,865.94 and 5,999.90 is: 9,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.56 : 18,865.94 = 5,999.90 : x
  2. Step 2: Convert to fraction form
    12,574.56/18,865.94 = 5,999.90/x
  3. Step 3: Cross multiply
    12,574.56x = 18,865.94 × 5,999.90
  4. Step 4: Simplify right side
    12,574.56x = 113,193,629.08
  5. Step 5: Solve for x
    x = 113,193,629.08/12,574.56
  6. Step 6: Final answer
    x = 9,001.80

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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.