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Finding the Fourth Proportional to 64,000.80, 96,001.20 and 32,816.16

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Solution

The fourth proportional to 64,000.80, 96,001.20 and 32,816.16 is: 49,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,000.80 : 96,001.20 = 32,816.16 : x
  2. Step 2: Convert to fraction form
    64,000.80/96,001.20 = 32,816.16/x
  3. Step 3: Cross multiply
    64,000.80x = 96,001.20 × 32,816.16
  4. Step 4: Simplify right side
    64,000.80x = 3,150,390,739.39
  5. Step 5: Solve for x
    x = 3,150,390,739.39/64,000.80
  6. Step 6: Final answer
    x = 49,224.24

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Double scale
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Similar ratio
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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.