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Finding the Fourth Proportional to 8,951.86, 13,431.45 and 4,796.56

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Solution

The fourth proportional to 8,951.86, 13,431.45 and 4,796.56 is: 7,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.86 : 13,431.45 = 4,796.56 : x
  2. Step 2: Convert to fraction form
    8,951.86/13,431.45 = 4,796.56/x
  3. Step 3: Cross multiply
    8,951.86x = 13,431.45 × 4,796.56
  4. Step 4: Simplify right side
    8,951.86x = 64,424,688.65
  5. Step 5: Solve for x
    x = 64,424,688.65/8,951.86
  6. Step 6: Final answer
    x = 7,196.80

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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.