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Finding the Fourth Proportional to 9,322.49, 12,861.89 and 6,333.12

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Solution

The fourth proportional to 9,322.49, 12,861.89 and 6,333.12 is: 8,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.49 : 12,861.89 = 6,333.12 : x
  2. Step 2: Convert to fraction form
    9,322.49/12,861.89 = 6,333.12/x
  3. Step 3: Cross multiply
    9,322.49x = 12,861.89 × 6,333.12
  4. Step 4: Simplify right side
    9,322.49x = 81,455,884.88
  5. Step 5: Solve for x
    x = 81,455,884.88/9,322.49
  6. Step 6: Final answer
    x = 8,737.57

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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.