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Finding the Fourth Proportional to 9,344.51, 14,023.34 and 8,451.21

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Solution

The fourth proportional to 9,344.51, 14,023.34 and 8,451.21 is: 12,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.51 : 14,023.34 = 8,451.21 : x
  2. Step 2: Convert to fraction form
    9,344.51/14,023.34 = 8,451.21/x
  3. Step 3: Cross multiply
    9,344.51x = 14,023.34 × 8,451.21
  4. Step 4: Simplify right side
    9,344.51x = 118,514,191.24
  5. Step 5: Solve for x
    x = 118,514,191.24/9,344.51
  6. Step 6: Final answer
    x = 12,682.76

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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.