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Finding the Fourth Proportional to 4,611.78, 6,319.95 and 4,168.94

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Solution

The fourth proportional to 4,611.78, 6,319.95 and 4,168.94 is: 5,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.78 : 6,319.95 = 4,168.94 : x
  2. Step 2: Convert to fraction form
    4,611.78/6,319.95 = 4,168.94/x
  3. Step 3: Cross multiply
    4,611.78x = 6,319.95 × 4,168.94
  4. Step 4: Simplify right side
    4,611.78x = 26,347,492.35
  5. Step 5: Solve for x
    x = 26,347,492.35/4,611.78
  6. Step 6: Final answer
    x = 5,713.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.