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Finding the Fourth Proportional to 6,757.12, 9,333.12 and 5,108.48

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Solution

The fourth proportional to 6,757.12, 9,333.12 and 5,108.48 is: 7,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.12 : 9,333.12 = 5,108.48 : x
  2. Step 2: Convert to fraction form
    6,757.12/9,333.12 = 5,108.48/x
  3. Step 3: Cross multiply
    6,757.12x = 9,333.12 × 5,108.48
  4. Step 4: Simplify right side
    6,757.12x = 47,678,056.86
  5. Step 5: Solve for x
    x = 47,678,056.86/6,757.12
  6. Step 6: Final answer
    x = 7,055.97

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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.