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Finding the Fourth Proportional to 45,433.62, 68,086.62 and 38,735.48

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Solution

The fourth proportional to 45,433.62, 68,086.62 and 38,735.48 is: 58,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.62 : 68,086.62 = 38,735.48 : x
  2. Step 2: Convert to fraction form
    45,433.62/68,086.62 = 38,735.48/x
  3. Step 3: Cross multiply
    45,433.62x = 68,086.62 × 38,735.48
  4. Step 4: Simplify right side
    45,433.62x = 2,637,367,566.84
  5. Step 5: Solve for x
    x = 2,637,367,566.84/45,433.62
  6. Step 6: Final answer
    x = 58,048.81

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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.