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Finding the Fourth Proportional to 64,333.77, 96,393.95 and 45,520.56

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Solution

The fourth proportional to 64,333.77, 96,393.95 and 45,520.56 is: 68,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,333.77 : 96,393.95 = 45,520.56 : x
  2. Step 2: Convert to fraction form
    64,333.77/96,393.95 = 45,520.56/x
  3. Step 3: Cross multiply
    64,333.77x = 96,393.95 × 45,520.56
  4. Step 4: Simplify right side
    64,333.77x = 4,387,906,216.44
  5. Step 5: Solve for x
    x = 4,387,906,216.44/64,333.77
  6. Step 6: Final answer
    x = 68,205.33

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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.