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Finding the Fourth Proportional to 51,494.96, 77,250.36 and 21,904.86

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Solution

The fourth proportional to 51,494.96, 77,250.36 and 21,904.86 is: 32,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,494.96 : 77,250.36 = 21,904.86 : x
  2. Step 2: Convert to fraction form
    51,494.96/77,250.36 = 21,904.86/x
  3. Step 3: Cross multiply
    51,494.96x = 77,250.36 × 21,904.86
  4. Step 4: Simplify right side
    51,494.96x = 1,692,158,320.75
  5. Step 5: Solve for x
    x = 1,692,158,320.75/51,494.96
  6. Step 6: Final answer
    x = 32,860.66

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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.