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Finding the Fourth Proportional to 18,083.25, 27,124.70 and 4,935.62

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Solution

The fourth proportional to 18,083.25, 27,124.70 and 4,935.62 is: 7,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.25 : 27,124.70 = 4,935.62 : x
  2. Step 2: Convert to fraction form
    18,083.25/27,124.70 = 4,935.62/x
  3. Step 3: Cross multiply
    18,083.25x = 27,124.70 × 4,935.62
  4. Step 4: Simplify right side
    18,083.25x = 133,877,254.95
  5. Step 5: Solve for x
    x = 133,877,254.95/18,083.25
  6. Step 6: Final answer
    x = 7,403.38

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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.