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Finding the Fourth Proportional to 6,444.38, 8,893.96 and 3,612.22

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Solution

The fourth proportional to 6,444.38, 8,893.96 and 3,612.22 is: 4,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.38 : 8,893.96 = 3,612.22 : x
  2. Step 2: Convert to fraction form
    6,444.38/8,893.96 = 3,612.22/x
  3. Step 3: Cross multiply
    6,444.38x = 8,893.96 × 3,612.22
  4. Step 4: Simplify right side
    6,444.38x = 32,126,940.19
  5. Step 5: Solve for x
    x = 32,126,940.19/6,444.38
  6. Step 6: Final answer
    x = 4,985.26

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Half scale
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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.