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Finding the Fourth Proportional to 8,936.96, 13,411.92 and 5,048.96

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Solution

The fourth proportional to 8,936.96, 13,411.92 and 5,048.96 is: 7,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.96 : 13,411.92 = 5,048.96 : x
  2. Step 2: Convert to fraction form
    8,936.96/13,411.92 = 5,048.96/x
  3. Step 3: Cross multiply
    8,936.96x = 13,411.92 × 5,048.96
  4. Step 4: Simplify right side
    8,936.96x = 67,716,247.60
  5. Step 5: Solve for x
    x = 67,716,247.60/8,936.96
  6. Step 6: Final answer
    x = 7,577.10

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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.