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Finding the Fourth Proportional to 15,898.58, 21,938.93 and 8,824.44

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Solution

The fourth proportional to 15,898.58, 21,938.93 and 8,824.44 is: 12,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.58 : 21,938.93 = 8,824.44 : x
  2. Step 2: Convert to fraction form
    15,898.58/21,938.93 = 8,824.44/x
  3. Step 3: Cross multiply
    15,898.58x = 21,938.93 × 8,824.44
  4. Step 4: Simplify right side
    15,898.58x = 193,598,771.45
  5. Step 5: Solve for x
    x = 193,598,771.45/15,898.58
  6. Step 6: Final answer
    x = 12,177.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.