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Finding the Fourth Proportional to 27,896.88, 38,497.52 and 16,718.88

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Solution

The fourth proportional to 27,896.88, 38,497.52 and 16,718.88 is: 23,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.88 : 38,497.52 = 16,718.88 : x
  2. Step 2: Convert to fraction form
    27,896.88/38,497.52 = 16,718.88/x
  3. Step 3: Cross multiply
    27,896.88x = 38,497.52 × 16,718.88
  4. Step 4: Simplify right side
    27,896.88x = 643,635,417.18
  5. Step 5: Solve for x
    x = 643,635,417.18/27,896.88
  6. Step 6: Final answer
    x = 23,071.95

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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.