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Finding the Fourth Proportional to 14,442.88, 21,664.22 and 4,054.64

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Solution

The fourth proportional to 14,442.88, 21,664.22 and 4,054.64 is: 6,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.88 : 21,664.22 = 4,054.64 : x
  2. Step 2: Convert to fraction form
    14,442.88/21,664.22 = 4,054.64/x
  3. Step 3: Cross multiply
    14,442.88x = 21,664.22 × 4,054.64
  4. Step 4: Simplify right side
    14,442.88x = 87,840,612.98
  5. Step 5: Solve for x
    x = 87,840,612.98/14,442.88
  6. Step 6: Final answer
    x = 6,081.93

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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.