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Finding the Fourth Proportional to 83,906.45, 125,859.53 and 24,783.64

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Solution

The fourth proportional to 83,906.45, 125,859.53 and 24,783.64 is: 37,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,906.45 : 125,859.53 = 24,783.64 : x
  2. Step 2: Convert to fraction form
    83,906.45/125,859.53 = 24,783.64/x
  3. Step 3: Cross multiply
    83,906.45x = 125,859.53 × 24,783.64
  4. Step 4: Simplify right side
    83,906.45x = 3,119,257,158.17
  5. Step 5: Solve for x
    x = 3,119,257,158.17/83,906.45
  6. Step 6: Final answer
    x = 37,175.42

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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.