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Finding the Fourth Proportional to 12,055.73, 18,089.73 and 7,065.29

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Solution

The fourth proportional to 12,055.73, 18,089.73 and 7,065.29 is: 10,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.73 : 18,089.73 = 7,065.29 : x
  2. Step 2: Convert to fraction form
    12,055.73/18,089.73 = 7,065.29/x
  3. Step 3: Cross multiply
    12,055.73x = 18,089.73 × 7,065.29
  4. Step 4: Simplify right side
    12,055.73x = 127,809,233.70
  5. Step 5: Solve for x
    x = 127,809,233.70/12,055.73
  6. Step 6: Final answer
    x = 10,601.54

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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.