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Finding the Fourth Proportional to 27,554.82, 38,024.82 and 16,221.71

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Solution

The fourth proportional to 27,554.82, 38,024.82 and 16,221.71 is: 22,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.82 : 38,024.82 = 16,221.71 : x
  2. Step 2: Convert to fraction form
    27,554.82/38,024.82 = 16,221.71/x
  3. Step 3: Cross multiply
    27,554.82x = 38,024.82 × 16,221.71
  4. Step 4: Simplify right side
    27,554.82x = 616,827,412.72
  5. Step 5: Solve for x
    x = 616,827,412.72/27,554.82
  6. Step 6: Final answer
    x = 22,385.46

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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.