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Finding the Fourth Proportional to 51,595, 77,395.38 and 14,661.88

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Solution

The fourth proportional to 51,595, 77,395.38 and 14,661.88 is: 21,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,595 : 77,395.38 = 14,661.88 : x
  2. Step 2: Convert to fraction form
    51,595/77,395.38 = 14,661.88/x
  3. Step 3: Cross multiply
    51,595x = 77,395.38 × 14,661.88
  4. Step 4: Simplify right side
    51,595x = 1,134,761,774.11
  5. Step 5: Solve for x
    x = 1,134,761,774.11/51,595
  6. Step 6: Final answer
    x = 21,993.64

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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.