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Finding the Fourth Proportional to 60,604.80, 90,712.80 and 43,108.80

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Solution

The fourth proportional to 60,604.80, 90,712.80 and 43,108.80 is: 64,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.80 : 90,712.80 = 43,108.80 : x
  2. Step 2: Convert to fraction form
    60,604.80/90,712.80 = 43,108.80/x
  3. Step 3: Cross multiply
    60,604.80x = 90,712.80 × 43,108.80
  4. Step 4: Simplify right side
    60,604.80x = 3,910,519,952.64
  5. Step 5: Solve for x
    x = 3,910,519,952.64/60,604.80
  6. Step 6: Final answer
    x = 64,524.92

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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.