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Finding the Fourth Proportional to 19,005.60, 26,227.92 and 10,622

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Solution

The fourth proportional to 19,005.60, 26,227.92 and 10,622 is: 14,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.60 : 26,227.92 = 10,622 : x
  2. Step 2: Convert to fraction form
    19,005.60/26,227.92 = 10,622/x
  3. Step 3: Cross multiply
    19,005.60x = 26,227.92 × 10,622
  4. Step 4: Simplify right side
    19,005.60x = 278,592,966.24
  5. Step 5: Solve for x
    x = 278,592,966.24/19,005.60
  6. Step 6: Final answer
    x = 14,658.47

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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.