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Finding the Fourth Proportional to 8,674.62, 11,971.51 and 4,896.41

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Solution

The fourth proportional to 8,674.62, 11,971.51 and 4,896.41 is: 6,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.62 : 11,971.51 = 4,896.41 : x
  2. Step 2: Convert to fraction form
    8,674.62/11,971.51 = 4,896.41/x
  3. Step 3: Cross multiply
    8,674.62x = 11,971.51 × 4,896.41
  4. Step 4: Simplify right side
    8,674.62x = 58,617,421.28
  5. Step 5: Solve for x
    x = 58,617,421.28/8,674.62
  6. Step 6: Final answer
    x = 6,757.35

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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.