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Finding the Fourth Proportional to 27,483.92, 37,927.82 and 15,546.99

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Solution

The fourth proportional to 27,483.92, 37,927.82 and 15,546.99 is: 21,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483.92 : 37,927.82 = 15,546.99 : x
  2. Step 2: Convert to fraction form
    27,483.92/37,927.82 = 15,546.99/x
  3. Step 3: Cross multiply
    27,483.92x = 37,927.82 × 15,546.99
  4. Step 4: Simplify right side
    27,483.92x = 589,663,360.53
  5. Step 5: Solve for x
    x = 589,663,360.53/27,483.92
  6. Step 6: Final answer
    x = 21,454.85

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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.