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Finding the Fourth Proportional to 64,230.36, 96,380.80 and 32,643.15

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Solution

The fourth proportional to 64,230.36, 96,380.80 and 32,643.15 is: 48,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.36 : 96,380.80 = 32,643.15 : x
  2. Step 2: Convert to fraction form
    64,230.36/96,380.80 = 32,643.15/x
  3. Step 3: Cross multiply
    64,230.36x = 96,380.80 × 32,643.15
  4. Step 4: Simplify right side
    64,230.36x = 3,146,172,266.40
  5. Step 5: Solve for x
    x = 3,146,172,266.40/64,230.36
  6. Step 6: Final answer
    x = 48,982.63

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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.