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Finding the Fourth Proportional to 64,009.60, 95,841.60 and 50,185.60

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Solution

The fourth proportional to 64,009.60, 95,841.60 and 50,185.60 is: 75,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.60 : 95,841.60 = 50,185.60 : x
  2. Step 2: Convert to fraction form
    64,009.60/95,841.60 = 50,185.60/x
  3. Step 3: Cross multiply
    64,009.60x = 95,841.60 × 50,185.60
  4. Step 4: Simplify right side
    64,009.60x = 4,809,868,200.96
  5. Step 5: Solve for x
    x = 4,809,868,200.96/64,009.60
  6. Step 6: Final answer
    x = 75,142.92

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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.