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Finding the Fourth Proportional to 51,906.46, 77,859.74 and 14,466.64

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Solution

The fourth proportional to 51,906.46, 77,859.74 and 14,466.64 is: 21,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,906.46 : 77,859.74 = 14,466.64 : x
  2. Step 2: Convert to fraction form
    51,906.46/77,859.74 = 14,466.64/x
  3. Step 3: Cross multiply
    51,906.46x = 77,859.74 × 14,466.64
  4. Step 4: Simplify right side
    51,906.46x = 1,126,368,829.07
  5. Step 5: Solve for x
    x = 1,126,368,829.07/51,906.46
  6. Step 6: Final answer
    x = 21,699.97

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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.