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Finding the Fourth Proportional to 27,354.48, 40,881.76 and 19,974.48

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Solution

The fourth proportional to 27,354.48, 40,881.76 and 19,974.48 is: 29,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.48 : 40,881.76 = 19,974.48 : x
  2. Step 2: Convert to fraction form
    27,354.48/40,881.76 = 19,974.48/x
  3. Step 3: Cross multiply
    27,354.48x = 40,881.76 × 19,974.48
  4. Step 4: Simplify right side
    27,354.48x = 816,591,897.48
  5. Step 5: Solve for x
    x = 816,591,897.48/27,354.48
  6. Step 6: Final answer
    x = 29,852.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.