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Finding the Fourth Proportional to 8,250.81, 12,376.43 and 7,073.48

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Solution

The fourth proportional to 8,250.81, 12,376.43 and 7,073.48 is: 10,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.81 : 12,376.43 = 7,073.48 : x
  2. Step 2: Convert to fraction form
    8,250.81/12,376.43 = 7,073.48/x
  3. Step 3: Cross multiply
    8,250.81x = 12,376.43 × 7,073.48
  4. Step 4: Simplify right side
    8,250.81x = 87,544,332.83
  5. Step 5: Solve for x
    x = 87,544,332.83/8,250.81
  6. Step 6: Final answer
    x = 10,610.39

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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.