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Finding the Fourth Proportional to 64,485.92, 96,697.84 and 50,410.28

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Solution

The fourth proportional to 64,485.92, 96,697.84 and 50,410.28 is: 75,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.92 : 96,697.84 = 50,410.28 : x
  2. Step 2: Convert to fraction form
    64,485.92/96,697.84 = 50,410.28/x
  3. Step 3: Cross multiply
    64,485.92x = 96,697.84 × 50,410.28
  4. Step 4: Simplify right side
    64,485.92x = 4,874,565,189.80
  5. Step 5: Solve for x
    x = 4,874,565,189.80/64,485.92
  6. Step 6: Final answer
    x = 75,591.16

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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.