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Finding the Fourth Proportional to 6,201.52, 8,558.06 and 3,407

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Solution

The fourth proportional to 6,201.52, 8,558.06 and 3,407 is: 4,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.52 : 8,558.06 = 3,407 : x
  2. Step 2: Convert to fraction form
    6,201.52/8,558.06 = 3,407/x
  3. Step 3: Cross multiply
    6,201.52x = 8,558.06 × 3,407
  4. Step 4: Simplify right side
    6,201.52x = 29,157,310.42
  5. Step 5: Solve for x
    x = 29,157,310.42/6,201.52
  6. Step 6: Final answer
    x = 4,701.64

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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.