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Finding the Fourth Proportional to 13,853.96, 19,118.52 and 7,566.32

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Solution

The fourth proportional to 13,853.96, 19,118.52 and 7,566.32 is: 10,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.96 : 19,118.52 = 7,566.32 : x
  2. Step 2: Convert to fraction form
    13,853.96/19,118.52 = 7,566.32/x
  3. Step 3: Cross multiply
    13,853.96x = 19,118.52 × 7,566.32
  4. Step 4: Simplify right side
    13,853.96x = 144,656,840.25
  5. Step 5: Solve for x
    x = 144,656,840.25/13,853.96
  6. Step 6: Final answer
    x = 10,441.55

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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.