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Finding the Fourth Proportional to 14,114.52, 21,177.72 and 7,101

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Solution

The fourth proportional to 14,114.52, 21,177.72 and 7,101 is: 10,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.52 : 21,177.72 = 7,101 : x
  2. Step 2: Convert to fraction form
    14,114.52/21,177.72 = 7,101/x
  3. Step 3: Cross multiply
    14,114.52x = 21,177.72 × 7,101
  4. Step 4: Simplify right side
    14,114.52x = 150,382,989.72
  5. Step 5: Solve for x
    x = 150,382,989.72/14,114.52
  6. Step 6: Final answer
    x = 10,654.49

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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.