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Finding the Fourth Proportional to 6,167.95, 8,512.59 and 3,479.72

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Solution

The fourth proportional to 6,167.95, 8,512.59 and 3,479.72 is: 4,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.95 : 8,512.59 = 3,479.72 : x
  2. Step 2: Convert to fraction form
    6,167.95/8,512.59 = 3,479.72/x
  3. Step 3: Cross multiply
    6,167.95x = 8,512.59 × 3,479.72
  4. Step 4: Simplify right side
    6,167.95x = 29,621,429.67
  5. Step 5: Solve for x
    x = 29,621,429.67/6,167.95
  6. Step 6: Final answer
    x = 4,802.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.