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Finding the Fourth Proportional to 8,168.94, 11,277.90 and 5,184.90

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Solution

The fourth proportional to 8,168.94, 11,277.90 and 5,184.90 is: 7,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.94 : 11,277.90 = 5,184.90 : x
  2. Step 2: Convert to fraction form
    8,168.94/11,277.90 = 5,184.90/x
  3. Step 3: Cross multiply
    8,168.94x = 11,277.90 × 5,184.90
  4. Step 4: Simplify right side
    8,168.94x = 58,474,783.71
  5. Step 5: Solve for x
    x = 58,474,783.71/8,168.94
  6. Step 6: Final answer
    x = 7,158.18

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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.