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Finding the Fourth Proportional to 27,307.67, 37,684.67 and 15,371.19

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Solution

The fourth proportional to 27,307.67, 37,684.67 and 15,371.19 is: 21,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.67 : 37,684.67 = 15,371.19 : x
  2. Step 2: Convert to fraction form
    27,307.67/37,684.67 = 15,371.19/x
  3. Step 3: Cross multiply
    27,307.67x = 37,684.67 × 15,371.19
  4. Step 4: Simplify right side
    27,307.67x = 579,258,145.80
  5. Step 5: Solve for x
    x = 579,258,145.80/27,307.67
  6. Step 6: Final answer
    x = 21,212.29

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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.