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Finding the Fourth Proportional to 8,305.75, 12,454.04 and 3,303.06

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Solution

The fourth proportional to 8,305.75, 12,454.04 and 3,303.06 is: 4,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.75 : 12,454.04 = 3,303.06 : x
  2. Step 2: Convert to fraction form
    8,305.75/12,454.04 = 3,303.06/x
  3. Step 3: Cross multiply
    8,305.75x = 12,454.04 × 3,303.06
  4. Step 4: Simplify right side
    8,305.75x = 41,136,441.36
  5. Step 5: Solve for x
    x = 41,136,441.36/8,305.75
  6. Step 6: Final answer
    x = 4,952.77

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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.