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Finding the Fourth Proportional to 8,708.36, 13,062.54 and 5,016.20

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Solution

The fourth proportional to 8,708.36, 13,062.54 and 5,016.20 is: 7,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.36 : 13,062.54 = 5,016.20 : x
  2. Step 2: Convert to fraction form
    8,708.36/13,062.54 = 5,016.20/x
  3. Step 3: Cross multiply
    8,708.36x = 13,062.54 × 5,016.20
  4. Step 4: Simplify right side
    8,708.36x = 65,524,313.15
  5. Step 5: Solve for x
    x = 65,524,313.15/8,708.36
  6. Step 6: Final answer
    x = 7,524.30

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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.