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Finding the Fourth Proportional to 27,167.09, 37,490.09 and 15,230.39

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Solution

The fourth proportional to 27,167.09, 37,490.09 and 15,230.39 is: 21,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.09 : 37,490.09 = 15,230.39 : x
  2. Step 2: Convert to fraction form
    27,167.09/37,490.09 = 15,230.39/x
  3. Step 3: Cross multiply
    27,167.09x = 37,490.09 × 15,230.39
  4. Step 4: Simplify right side
    27,167.09x = 570,988,428.23
  5. Step 5: Solve for x
    x = 570,988,428.23/27,167.09
  6. Step 6: Final answer
    x = 21,017.66

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1.5x scale

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.