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Finding the Fourth Proportional to 8,245.74, 12,341.07 and 4,903.14

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Solution

The fourth proportional to 8,245.74, 12,341.07 and 4,903.14 is: 7,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.74 : 12,341.07 = 4,903.14 : x
  2. Step 2: Convert to fraction form
    8,245.74/12,341.07 = 4,903.14/x
  3. Step 3: Cross multiply
    8,245.74x = 12,341.07 × 4,903.14
  4. Step 4: Simplify right side
    8,245.74x = 60,509,993.96
  5. Step 5: Solve for x
    x = 60,509,993.96/8,245.74
  6. Step 6: Final answer
    x = 7,338.33

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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.