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Finding the Fourth Proportional to 14,649.33, 21,975.35 and 4,788.66

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Solution

The fourth proportional to 14,649.33, 21,975.35 and 4,788.66 is: 7,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.33 : 21,975.35 = 4,788.66 : x
  2. Step 2: Convert to fraction form
    14,649.33/21,975.35 = 4,788.66/x
  3. Step 3: Cross multiply
    14,649.33x = 21,975.35 × 4,788.66
  4. Step 4: Simplify right side
    14,649.33x = 105,232,455.59
  5. Step 5: Solve for x
    x = 105,232,455.59/14,649.33
  6. Step 6: Final answer
    x = 7,183.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.