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Finding the Fourth Proportional to 6,885.28, 9,497.43 and 6,003.19

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Solution

The fourth proportional to 6,885.28, 9,497.43 and 6,003.19 is: 8,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.28 : 9,497.43 = 6,003.19 : x
  2. Step 2: Convert to fraction form
    6,885.28/9,497.43 = 6,003.19/x
  3. Step 3: Cross multiply
    6,885.28x = 9,497.43 × 6,003.19
  4. Step 4: Simplify right side
    6,885.28x = 57,014,876.80
  5. Step 5: Solve for x
    x = 57,014,876.80/6,885.28
  6. Step 6: Final answer
    x = 8,280.69

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Half scale
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Double scale
Find fourth proportional to 6,886.28, 9,498.81 and 6,004.19
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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.