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Finding the Fourth Proportional to 19,134, 26,404.44 and 10,636.14

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Solution

The fourth proportional to 19,134, 26,404.44 and 10,636.14 is: 14,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134 : 26,404.44 = 10,636.14 : x
  2. Step 2: Convert to fraction form
    19,134/26,404.44 = 10,636.14/x
  3. Step 3: Cross multiply
    19,134x = 26,404.44 × 10,636.14
  4. Step 4: Simplify right side
    19,134x = 280,841,320.46
  5. Step 5: Solve for x
    x = 280,841,320.46/19,134
  6. Step 6: Final answer
    x = 14,677.61

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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.