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Finding the Fourth Proportional to 8,444.53, 12,661.53 and 3,179.33

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Solution

The fourth proportional to 8,444.53, 12,661.53 and 3,179.33 is: 4,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.53 : 12,661.53 = 3,179.33 : x
  2. Step 2: Convert to fraction form
    8,444.53/12,661.53 = 3,179.33/x
  3. Step 3: Cross multiply
    8,444.53x = 12,661.53 × 3,179.33
  4. Step 4: Simplify right side
    8,444.53x = 40,255,182.17
  5. Step 5: Solve for x
    x = 40,255,182.17/8,444.53
  6. Step 6: Final answer
    x = 4,767.01

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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.