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Finding the Fourth Proportional to 9,453.12, 14,165.28 and 8,473.92

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Solution

The fourth proportional to 9,453.12, 14,165.28 and 8,473.92 is: 12,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.12 : 14,165.28 = 8,473.92 : x
  2. Step 2: Convert to fraction form
    9,453.12/14,165.28 = 8,473.92/x
  3. Step 3: Cross multiply
    9,453.12x = 14,165.28 × 8,473.92
  4. Step 4: Simplify right side
    9,453.12x = 120,035,449.50
  5. Step 5: Solve for x
    x = 120,035,449.50/9,453.12
  6. Step 6: Final answer
    x = 12,697.97

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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.