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Finding the Fourth Proportional to 12,694.55, 19,029.27 and 6,019.31

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Solution

The fourth proportional to 12,694.55, 19,029.27 and 6,019.31 is: 9,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.55 : 19,029.27 = 6,019.31 : x
  2. Step 2: Convert to fraction form
    12,694.55/19,029.27 = 6,019.31/x
  3. Step 3: Cross multiply
    12,694.55x = 19,029.27 × 6,019.31
  4. Step 4: Simplify right side
    12,694.55x = 114,542,980.06
  5. Step 5: Solve for x
    x = 114,542,980.06/12,694.55
  6. Step 6: Final answer
    x = 9,023.00

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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.