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Finding the Fourth Proportional to 27,957.34, 38,582.40 and 17,350.39

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Solution

The fourth proportional to 27,957.34, 38,582.40 and 17,350.39 is: 23,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.34 : 38,582.40 = 17,350.39 : x
  2. Step 2: Convert to fraction form
    27,957.34/38,582.40 = 17,350.39/x
  3. Step 3: Cross multiply
    27,957.34x = 38,582.40 × 17,350.39
  4. Step 4: Simplify right side
    27,957.34x = 669,419,687.14
  5. Step 5: Solve for x
    x = 669,419,687.14/27,957.34
  6. Step 6: Final answer
    x = 23,944.33

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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.