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Finding the Fourth Proportional to 64,454.80, 96,682.20 and 34,930.30

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Solution

The fourth proportional to 64,454.80, 96,682.20 and 34,930.30 is: 52,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,454.80 : 96,682.20 = 34,930.30 : x
  2. Step 2: Convert to fraction form
    64,454.80/96,682.20 = 34,930.30/x
  3. Step 3: Cross multiply
    64,454.80x = 96,682.20 × 34,930.30
  4. Step 4: Simplify right side
    64,454.80x = 3,377,138,250.66
  5. Step 5: Solve for x
    x = 3,377,138,250.66/64,454.80
  6. Step 6: Final answer
    x = 52,395.45

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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.