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Finding the Fourth Proportional to 14,625.58, 21,943.87 and 8,705.87

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Solution

The fourth proportional to 14,625.58, 21,943.87 and 8,705.87 is: 13,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.58 : 21,943.87 = 8,705.87 : x
  2. Step 2: Convert to fraction form
    14,625.58/21,943.87 = 8,705.87/x
  3. Step 3: Cross multiply
    14,625.58x = 21,943.87 × 8,705.87
  4. Step 4: Simplify right side
    14,625.58x = 191,040,544.45
  5. Step 5: Solve for x
    x = 191,040,544.45/14,625.58
  6. Step 6: Final answer
    x = 13,062.08

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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.