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Finding the Fourth Proportional to 56,169.45, 84,212.06 and 33,978.29

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Solution

The fourth proportional to 56,169.45, 84,212.06 and 33,978.29 is: 50,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169.45 : 84,212.06 = 33,978.29 : x
  2. Step 2: Convert to fraction form
    56,169.45/84,212.06 = 33,978.29/x
  3. Step 3: Cross multiply
    56,169.45x = 84,212.06 × 33,978.29
  4. Step 4: Simplify right side
    56,169.45x = 2,861,381,205.23
  5. Step 5: Solve for x
    x = 2,861,381,205.23/56,169.45
  6. Step 6: Final answer
    x = 50,941.95

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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.