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Finding the Fourth Proportional to 64,230.86, 88,640.98 and 35,936.75

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Solution

The fourth proportional to 64,230.86, 88,640.98 and 35,936.75 is: 49,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.86 : 88,640.98 = 35,936.75 : x
  2. Step 2: Convert to fraction form
    64,230.86/88,640.98 = 35,936.75/x
  3. Step 3: Cross multiply
    64,230.86x = 88,640.98 × 35,936.75
  4. Step 4: Simplify right side
    64,230.86x = 3,185,468,738.02
  5. Step 5: Solve for x
    x = 3,185,468,738.02/64,230.86
  6. Step 6: Final answer
    x = 49,594.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.