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Finding the Fourth Proportional to 51,375.65, 70,863.39 and 44,649.81

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Solution

The fourth proportional to 51,375.65, 70,863.39 and 44,649.81 is: 61,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.65 : 70,863.39 = 44,649.81 : x
  2. Step 2: Convert to fraction form
    51,375.65/70,863.39 = 44,649.81/x
  3. Step 3: Cross multiply
    51,375.65x = 70,863.39 × 44,649.81
  4. Step 4: Simplify right side
    51,375.65x = 3,164,036,899.46
  5. Step 5: Solve for x
    x = 3,164,036,899.46/51,375.65
  6. Step 6: Final answer
    x = 61,586.32

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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.