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Finding the Fourth Proportional to 9,855.18, 14,710.81 and 8,548.14

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Solution

The fourth proportional to 9,855.18, 14,710.81 and 8,548.14 is: 12,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.18 : 14,710.81 = 8,548.14 : x
  2. Step 2: Convert to fraction form
    9,855.18/14,710.81 = 8,548.14/x
  3. Step 3: Cross multiply
    9,855.18x = 14,710.81 × 8,548.14
  4. Step 4: Simplify right side
    9,855.18x = 125,750,063.39
  5. Step 5: Solve for x
    x = 125,750,063.39/9,855.18
  6. Step 6: Final answer
    x = 12,759.80

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.