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Finding the Fourth Proportional to 9,062.99, 12,521.99 and 8,059.40

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Solution

The fourth proportional to 9,062.99, 12,521.99 and 8,059.40 is: 11,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.99 : 12,521.99 = 8,059.40 : x
  2. Step 2: Convert to fraction form
    9,062.99/12,521.99 = 8,059.40/x
  3. Step 3: Cross multiply
    9,062.99x = 12,521.99 × 8,059.40
  4. Step 4: Simplify right side
    9,062.99x = 100,919,730.70
  5. Step 5: Solve for x
    x = 100,919,730.70/9,062.99
  6. Step 6: Final answer
    x = 11,135.37

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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.