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Finding the Fourth Proportional to 18,230.92, 27,347.92 and 5,083.30

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Solution

The fourth proportional to 18,230.92, 27,347.92 and 5,083.30 is: 7,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.92 : 27,347.92 = 5,083.30 : x
  2. Step 2: Convert to fraction form
    18,230.92/27,347.92 = 5,083.30/x
  3. Step 3: Cross multiply
    18,230.92x = 27,347.92 × 5,083.30
  4. Step 4: Simplify right side
    18,230.92x = 139,017,681.74
  5. Step 5: Solve for x
    x = 139,017,681.74/18,230.92
  6. Step 6: Final answer
    x = 7,625.38

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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.