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Finding the Fourth Proportional to 6,370.86, 8,792.20 and 3,576.54

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Solution

The fourth proportional to 6,370.86, 8,792.20 and 3,576.54 is: 4,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.86 : 8,792.20 = 3,576.54 : x
  2. Step 2: Convert to fraction form
    6,370.86/8,792.20 = 3,576.54/x
  3. Step 3: Cross multiply
    6,370.86x = 8,792.20 × 3,576.54
  4. Step 4: Simplify right side
    6,370.86x = 31,445,654.99
  5. Step 5: Solve for x
    x = 31,445,654.99/6,370.86
  6. Step 6: Final answer
    x = 4,935.86

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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.