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Finding the Fourth Proportional to 8,011.18, 11,054.10 and 4,654.54

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Solution

The fourth proportional to 8,011.18, 11,054.10 and 4,654.54 is: 6,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.18 : 11,054.10 = 4,654.54 : x
  2. Step 2: Convert to fraction form
    8,011.18/11,054.10 = 4,654.54/x
  3. Step 3: Cross multiply
    8,011.18x = 11,054.10 × 4,654.54
  4. Step 4: Simplify right side
    8,011.18x = 51,451,750.61
  5. Step 5: Solve for x
    x = 51,451,750.61/8,011.18
  6. Step 6: Final answer
    x = 6,422.49

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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.