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Finding the Fourth Proportional to 14,475.88, 19,976.71 and 7,851.88

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Solution

The fourth proportional to 14,475.88, 19,976.71 and 7,851.88 is: 10,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.88 : 19,976.71 = 7,851.88 : x
  2. Step 2: Convert to fraction form
    14,475.88/19,976.71 = 7,851.88/x
  3. Step 3: Cross multiply
    14,475.88x = 19,976.71 × 7,851.88
  4. Step 4: Simplify right side
    14,475.88x = 156,854,629.83
  5. Step 5: Solve for x
    x = 156,854,629.83/14,475.88
  6. Step 6: Final answer
    x = 10,835.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.