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Finding the Fourth Proportional to 18,248.45, 27,369 and 5,100.93

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Solution

The fourth proportional to 18,248.45, 27,369 and 5,100.93 is: 7,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.45 : 27,369 = 5,100.93 : x
  2. Step 2: Convert to fraction form
    18,248.45/27,369 = 5,100.93/x
  3. Step 3: Cross multiply
    18,248.45x = 27,369 × 5,100.93
  4. Step 4: Simplify right side
    18,248.45x = 139,607,353.17
  5. Step 5: Solve for x
    x = 139,607,353.17/18,248.45
  6. Step 6: Final answer
    x = 7,650.37

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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.