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Finding the Fourth Proportional to 27,568.70, 38,044.70 and 14,993.46

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Solution

The fourth proportional to 27,568.70, 38,044.70 and 14,993.46 is: 20,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.70 : 38,044.70 = 14,993.46 : x
  2. Step 2: Convert to fraction form
    27,568.70/38,044.70 = 14,993.46/x
  3. Step 3: Cross multiply
    27,568.70x = 38,044.70 × 14,993.46
  4. Step 4: Simplify right side
    27,568.70x = 570,421,687.66
  5. Step 5: Solve for x
    x = 570,421,687.66/27,568.70
  6. Step 6: Final answer
    x = 20,690.92

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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.