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Finding the Fourth Proportional to 14,293.45, 19,725.59 and 8,005.69

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Solution

The fourth proportional to 14,293.45, 19,725.59 and 8,005.69 is: 11,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.45 : 19,725.59 = 8,005.69 : x
  2. Step 2: Convert to fraction form
    14,293.45/19,725.59 = 8,005.69/x
  3. Step 3: Cross multiply
    14,293.45x = 19,725.59 × 8,005.69
  4. Step 4: Simplify right side
    14,293.45x = 157,916,958.61
  5. Step 5: Solve for x
    x = 157,916,958.61/14,293.45
  6. Step 6: Final answer
    x = 11,048.20

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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.