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Finding the Fourth Proportional to 75,647.52, 113,415.72 and 36,232.32

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Solution

The fourth proportional to 75,647.52, 113,415.72 and 36,232.32 is: 54,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,647.52 : 113,415.72 = 36,232.32 : x
  2. Step 2: Convert to fraction form
    75,647.52/113,415.72 = 36,232.32/x
  3. Step 3: Cross multiply
    75,647.52x = 113,415.72 × 36,232.32
  4. Step 4: Simplify right side
    75,647.52x = 4,109,314,660.07
  5. Step 5: Solve for x
    x = 4,109,314,660.07/75,647.52
  6. Step 6: Final answer
    x = 54,321.87

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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.