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Finding the Fourth Proportional to 27,884.52, 38,479.20 and 16,554.48

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Solution

The fourth proportional to 27,884.52, 38,479.20 and 16,554.48 is: 22,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884.52 : 38,479.20 = 16,554.48 : x
  2. Step 2: Convert to fraction form
    27,884.52/38,479.20 = 16,554.48/x
  3. Step 3: Cross multiply
    27,884.52x = 38,479.20 × 16,554.48
  4. Step 4: Simplify right side
    27,884.52x = 637,003,146.82
  5. Step 5: Solve for x
    x = 637,003,146.82/27,884.52
  6. Step 6: Final answer
    x = 22,844.33

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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.