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Finding the Fourth Proportional to 9,333.95, 12,891.23 and 6,344.60

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Solution

The fourth proportional to 9,333.95, 12,891.23 and 6,344.60 is: 8,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.95 : 12,891.23 = 6,344.60 : x
  2. Step 2: Convert to fraction form
    9,333.95/12,891.23 = 6,344.60/x
  3. Step 3: Cross multiply
    9,333.95x = 12,891.23 × 6,344.60
  4. Step 4: Simplify right side
    9,333.95x = 81,789,633.91
  5. Step 5: Solve for x
    x = 81,789,633.91/9,333.95
  6. Step 6: Final answer
    x = 8,762.60

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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.