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Finding the Fourth Proportional to 8,303.63, 12,456.16 and 2,380.54

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Solution

The fourth proportional to 8,303.63, 12,456.16 and 2,380.54 is: 3,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.63 : 12,456.16 = 2,380.54 : x
  2. Step 2: Convert to fraction form
    8,303.63/12,456.16 = 2,380.54/x
  3. Step 3: Cross multiply
    8,303.63x = 12,456.16 × 2,380.54
  4. Step 4: Simplify right side
    8,303.63x = 29,652,387.13
  5. Step 5: Solve for x
    x = 29,652,387.13/8,303.63
  6. Step 6: Final answer
    x = 3,571.01

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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.