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Finding the Fourth Proportional to 28,395.56, 42,593.94 and 7,336.05

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Solution

The fourth proportional to 28,395.56, 42,593.94 and 7,336.05 is: 11,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.56 : 42,593.94 = 7,336.05 : x
  2. Step 2: Convert to fraction form
    28,395.56/42,593.94 = 7,336.05/x
  3. Step 3: Cross multiply
    28,395.56x = 42,593.94 × 7,336.05
  4. Step 4: Simplify right side
    28,395.56x = 312,471,273.54
  5. Step 5: Solve for x
    x = 312,471,273.54/28,395.56
  6. Step 6: Final answer
    x = 11,004.23

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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.