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Finding the Fourth Proportional to 14,225.58, 19,629.54 and 8,256.96

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Solution

The fourth proportional to 14,225.58, 19,629.54 and 8,256.96 is: 11,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.58 : 19,629.54 = 8,256.96 : x
  2. Step 2: Convert to fraction form
    14,225.58/19,629.54 = 8,256.96/x
  3. Step 3: Cross multiply
    14,225.58x = 19,629.54 × 8,256.96
  4. Step 4: Simplify right side
    14,225.58x = 162,080,326.60
  5. Step 5: Solve for x
    x = 162,080,326.60/14,225.58
  6. Step 6: Final answer
    x = 11,393.58

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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.