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Finding the Fourth Proportional to 51,253.58, 76,833.66 and 17,955.56

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Solution

The fourth proportional to 51,253.58, 76,833.66 and 17,955.56 is: 26,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.58 : 76,833.66 = 17,955.56 : x
  2. Step 2: Convert to fraction form
    51,253.58/76,833.66 = 17,955.56/x
  3. Step 3: Cross multiply
    51,253.58x = 76,833.66 × 17,955.56
  4. Step 4: Simplify right side
    51,253.58x = 1,379,591,392.15
  5. Step 5: Solve for x
    x = 1,379,591,392.15/51,253.58
  6. Step 6: Final answer
    x = 26,916.98

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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.