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Finding the Fourth Proportional to 38,016.87, 57,035.03 and 15,822.87

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Solution

The fourth proportional to 38,016.87, 57,035.03 and 15,822.87 is: 23,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.87 : 57,035.03 = 15,822.87 : x
  2. Step 2: Convert to fraction form
    38,016.87/57,035.03 = 15,822.87/x
  3. Step 3: Cross multiply
    38,016.87x = 57,035.03 × 15,822.87
  4. Step 4: Simplify right side
    38,016.87x = 902,457,786.02
  5. Step 5: Solve for x
    x = 902,457,786.02/38,016.87
  6. Step 6: Final answer
    x = 23,738.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.