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Finding the Fourth Proportional to 9,054.11, 13,552.55 and 8,101.98

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Solution

The fourth proportional to 9,054.11, 13,552.55 and 8,101.98 is: 12,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.11 : 13,552.55 = 8,101.98 : x
  2. Step 2: Convert to fraction form
    9,054.11/13,552.55 = 8,101.98/x
  3. Step 3: Cross multiply
    9,054.11x = 13,552.55 × 8,101.98
  4. Step 4: Simplify right side
    9,054.11x = 109,802,489.05
  5. Step 5: Solve for x
    x = 109,802,489.05/9,054.11
  6. Step 6: Final answer
    x = 12,127.37

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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.