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Finding the Fourth Proportional to 8,572.16, 12,849.44 and 4,184.22

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Solution

The fourth proportional to 8,572.16, 12,849.44 and 4,184.22 is: 6,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.16 : 12,849.44 = 4,184.22 : x
  2. Step 2: Convert to fraction form
    8,572.16/12,849.44 = 4,184.22/x
  3. Step 3: Cross multiply
    8,572.16x = 12,849.44 × 4,184.22
  4. Step 4: Simplify right side
    8,572.16x = 53,764,883.84
  5. Step 5: Solve for x
    x = 53,764,883.84/8,572.16
  6. Step 6: Final answer
    x = 6,272.03

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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.