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Finding the Fourth Proportional to 38,410.75, 57,616.53 and 10,708.75

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Solution

The fourth proportional to 38,410.75, 57,616.53 and 10,708.75 is: 16,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.75 : 57,616.53 = 10,708.75 : x
  2. Step 2: Convert to fraction form
    38,410.75/57,616.53 = 10,708.75/x
  3. Step 3: Cross multiply
    38,410.75x = 57,616.53 × 10,708.75
  4. Step 4: Simplify right side
    38,410.75x = 617,001,015.64
  5. Step 5: Solve for x
    x = 617,001,015.64/38,410.75
  6. Step 6: Final answer
    x = 16,063.24

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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.