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Finding the Fourth Proportional to 6,444.91, 8,894.60 and 3,612.77

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Solution

The fourth proportional to 6,444.91, 8,894.60 and 3,612.77 is: 4,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.91 : 8,894.60 = 3,612.77 : x
  2. Step 2: Convert to fraction form
    6,444.91/8,894.60 = 3,612.77/x
  3. Step 3: Cross multiply
    6,444.91x = 8,894.60 × 3,612.77
  4. Step 4: Simplify right side
    6,444.91x = 32,134,099.57
  5. Step 5: Solve for x
    x = 32,134,099.57/6,444.91
  6. Step 6: Final answer
    x = 4,985.97

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Double scale
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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.