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Finding the Fourth Proportional to 6,256.66, 8,616.66 and 6,120.58

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Solution

The fourth proportional to 6,256.66, 8,616.66 and 6,120.58 is: 8,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,256.66 : 8,616.66 = 6,120.58 : x
  2. Step 2: Convert to fraction form
    6,256.66/8,616.66 = 6,120.58/x
  3. Step 3: Cross multiply
    6,256.66x = 8,616.66 × 6,120.58
  4. Step 4: Simplify right side
    6,256.66x = 52,738,956.86
  5. Step 5: Solve for x
    x = 52,738,956.86/6,256.66
  6. Step 6: Final answer
    x = 8,429.25

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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.