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Finding the Fourth Proportional to 51,151.88, 70,589.81 and 29,927.05

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Solution

The fourth proportional to 51,151.88, 70,589.81 and 29,927.05 is: 41,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.88 : 70,589.81 = 29,927.05 : x
  2. Step 2: Convert to fraction form
    51,151.88/70,589.81 = 29,927.05/x
  3. Step 3: Cross multiply
    51,151.88x = 70,589.81 × 29,927.05
  4. Step 4: Simplify right side
    51,151.88x = 2,112,544,270.78
  5. Step 5: Solve for x
    x = 2,112,544,270.78/51,151.88
  6. Step 6: Final answer
    x = 41,299.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.