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Finding the Fourth Proportional to 3,263.94, 4,864.80 and 3,079.44

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Solution

The fourth proportional to 3,263.94, 4,864.80 and 3,079.44 is: 4,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.94 : 4,864.80 = 3,079.44 : x
  2. Step 2: Convert to fraction form
    3,263.94/4,864.80 = 3,079.44/x
  3. Step 3: Cross multiply
    3,263.94x = 4,864.80 × 3,079.44
  4. Step 4: Simplify right side
    3,263.94x = 14,980,859.71
  5. Step 5: Solve for x
    x = 14,980,859.71/3,263.94
  6. Step 6: Final answer
    x = 4,589.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.