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Finding the Fourth Proportional to 8,586.56, 11,845.12 and 5,047.52

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Solution

The fourth proportional to 8,586.56, 11,845.12 and 5,047.52 is: 6,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.56 : 11,845.12 = 5,047.52 : x
  2. Step 2: Convert to fraction form
    8,586.56/11,845.12 = 5,047.52/x
  3. Step 3: Cross multiply
    8,586.56x = 11,845.12 × 5,047.52
  4. Step 4: Simplify right side
    8,586.56x = 59,788,480.10
  5. Step 5: Solve for x
    x = 59,788,480.10/8,586.56
  6. Step 6: Final answer
    x = 6,963.03

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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.