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Finding the Fourth Proportional to 7,513.88, 11,270.74 and 7,327.88

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Solution

The fourth proportional to 7,513.88, 11,270.74 and 7,327.88 is: 10,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.88 : 11,270.74 = 7,327.88 : x
  2. Step 2: Convert to fraction form
    7,513.88/11,270.74 = 7,327.88/x
  3. Step 3: Cross multiply
    7,513.88x = 11,270.74 × 7,327.88
  4. Step 4: Simplify right side
    7,513.88x = 82,590,630.23
  5. Step 5: Solve for x
    x = 82,590,630.23/7,513.88
  6. Step 6: Final answer
    x = 10,991.74

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.