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Finding the Fourth Proportional to 49,847.86, 68,754.72 and 48,200.32

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Solution

The fourth proportional to 49,847.86, 68,754.72 and 48,200.32 is: 66,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.86 : 68,754.72 = 48,200.32 : x
  2. Step 2: Convert to fraction form
    49,847.86/68,754.72 = 48,200.32/x
  3. Step 3: Cross multiply
    49,847.86x = 68,754.72 × 48,200.32
  4. Step 4: Simplify right side
    49,847.86x = 3,313,999,505.51
  5. Step 5: Solve for x
    x = 3,313,999,505.51/49,847.86
  6. Step 6: Final answer
    x = 66,482.28

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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.