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Finding the Fourth Proportional to 68,557.32, 94,610.63 and 48,449.68

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Solution

The fourth proportional to 68,557.32, 94,610.63 and 48,449.68 is: 66,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,557.32 : 94,610.63 = 48,449.68 : x
  2. Step 2: Convert to fraction form
    68,557.32/94,610.63 = 48,449.68/x
  3. Step 3: Cross multiply
    68,557.32x = 94,610.63 × 48,449.68
  4. Step 4: Simplify right side
    68,557.32x = 4,583,854,632.70
  5. Step 5: Solve for x
    x = 4,583,854,632.70/68,557.32
  6. Step 6: Final answer
    x = 66,861.64

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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.