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Finding the Fourth Proportional to 60,509.60, 90,634.80 and 48,845.60

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Solution

The fourth proportional to 60,509.60, 90,634.80 and 48,845.60 is: 73,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509.60 : 90,634.80 = 48,845.60 : x
  2. Step 2: Convert to fraction form
    60,509.60/90,634.80 = 48,845.60/x
  3. Step 3: Cross multiply
    60,509.60x = 90,634.80 × 48,845.60
  4. Step 4: Simplify right side
    60,509.60x = 4,427,111,186.88
  5. Step 5: Solve for x
    x = 4,427,111,186.88/60,509.60
  6. Step 6: Final answer
    x = 73,163.78

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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.