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Finding the Fourth Proportional to 14,463.15, 21,669.96 and 7,893.95

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Solution

The fourth proportional to 14,463.15, 21,669.96 and 7,893.95 is: 11,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.15 : 21,669.96 = 7,893.95 : x
  2. Step 2: Convert to fraction form
    14,463.15/21,669.96 = 7,893.95/x
  3. Step 3: Cross multiply
    14,463.15x = 21,669.96 × 7,893.95
  4. Step 4: Simplify right side
    14,463.15x = 171,061,580.74
  5. Step 5: Solve for x
    x = 171,061,580.74/14,463.15
  6. Step 6: Final answer
    x = 11,827.41

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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.