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Finding the Fourth Proportional to 51,859.60, 77,801.76 and 16,799.20

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Solution

The fourth proportional to 51,859.60, 77,801.76 and 16,799.20 is: 25,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,859.60 : 77,801.76 = 16,799.20 : x
  2. Step 2: Convert to fraction form
    51,859.60/77,801.76 = 16,799.20/x
  3. Step 3: Cross multiply
    51,859.60x = 77,801.76 × 16,799.20
  4. Step 4: Simplify right side
    51,859.60x = 1,307,007,326.59
  5. Step 5: Solve for x
    x = 1,307,007,326.59/51,859.60
  6. Step 6: Final answer
    x = 25,202.80

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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.