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Finding the Fourth Proportional to 12,055.98, 18,087.93 and 7,608.50

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Solution

The fourth proportional to 12,055.98, 18,087.93 and 7,608.50 is: 11,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.98 : 18,087.93 = 7,608.50 : x
  2. Step 2: Convert to fraction form
    12,055.98/18,087.93 = 7,608.50/x
  3. Step 3: Cross multiply
    12,055.98x = 18,087.93 × 7,608.50
  4. Step 4: Simplify right side
    12,055.98x = 137,621,924.97
  5. Step 5: Solve for x
    x = 137,621,924.97/12,055.98
  6. Step 6: Final answer
    x = 11,415.24

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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.