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Finding the Fourth Proportional to 27,957.92, 38,574.27 and 19,450.49

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Solution

The fourth proportional to 27,957.92, 38,574.27 and 19,450.49 is: 26,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.92 : 38,574.27 = 19,450.49 : x
  2. Step 2: Convert to fraction form
    27,957.92/38,574.27 = 19,450.49/x
  3. Step 3: Cross multiply
    27,957.92x = 38,574.27 × 19,450.49
  4. Step 4: Simplify right side
    27,957.92x = 750,288,260.02
  5. Step 5: Solve for x
    x = 750,288,260.02/27,957.92
  6. Step 6: Final answer
    x = 26,836.35

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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.