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Finding the Fourth Proportional to 6,211.52, 8,575.06 and 4,792.01

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Solution

The fourth proportional to 6,211.52, 8,575.06 and 4,792.01 is: 6,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.52 : 8,575.06 = 4,792.01 : x
  2. Step 2: Convert to fraction form
    6,211.52/8,575.06 = 4,792.01/x
  3. Step 3: Cross multiply
    6,211.52x = 8,575.06 × 4,792.01
  4. Step 4: Simplify right side
    6,211.52x = 41,091,773.27
  5. Step 5: Solve for x
    x = 41,091,773.27/6,211.52
  6. Step 6: Final answer
    x = 6,615.41

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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.