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Finding the Fourth Proportional to 18,248.49, 27,374.49 and 5,100.84

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Solution

The fourth proportional to 18,248.49, 27,374.49 and 5,100.84 is: 7,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.49 : 27,374.49 = 5,100.84 : x
  2. Step 2: Convert to fraction form
    18,248.49/27,374.49 = 5,100.84/x
  3. Step 3: Cross multiply
    18,248.49x = 27,374.49 × 5,100.84
  4. Step 4: Simplify right side
    18,248.49x = 139,632,893.57
  5. Step 5: Solve for x
    x = 139,632,893.57/18,248.49
  6. Step 6: Final answer
    x = 7,651.75

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1.5x scale

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.