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Finding the Fourth Proportional to 11,055.11, 15,255.95 and 6,019.32

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Solution

The fourth proportional to 11,055.11, 15,255.95 and 6,019.32 is: 8,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.11 : 15,255.95 = 6,019.32 : x
  2. Step 2: Convert to fraction form
    11,055.11/15,255.95 = 6,019.32/x
  3. Step 3: Cross multiply
    11,055.11x = 15,255.95 × 6,019.32
  4. Step 4: Simplify right side
    11,055.11x = 91,830,444.95
  5. Step 5: Solve for x
    x = 91,830,444.95/11,055.11
  6. Step 6: Final answer
    x = 8,306.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.