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Finding the Fourth Proportional to 8,652.72, 11,940.08 and 5,294.14

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Solution

The fourth proportional to 8,652.72, 11,940.08 and 5,294.14 is: 7,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.72 : 11,940.08 = 5,294.14 : x
  2. Step 2: Convert to fraction form
    8,652.72/11,940.08 = 5,294.14/x
  3. Step 3: Cross multiply
    8,652.72x = 11,940.08 × 5,294.14
  4. Step 4: Simplify right side
    8,652.72x = 63,212,455.13
  5. Step 5: Solve for x
    x = 63,212,455.13/8,652.72
  6. Step 6: Final answer
    x = 7,305.50

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Similar ratio
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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.