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Finding the Fourth Proportional to 8,055.40, 12,068.70 and 6,586.60

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Solution

The fourth proportional to 8,055.40, 12,068.70 and 6,586.60 is: 9,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.40 : 12,068.70 = 6,586.60 : x
  2. Step 2: Convert to fraction form
    8,055.40/12,068.70 = 6,586.60/x
  3. Step 3: Cross multiply
    8,055.40x = 12,068.70 × 6,586.60
  4. Step 4: Simplify right side
    8,055.40x = 79,491,699.42
  5. Step 5: Solve for x
    x = 79,491,699.42/8,055.40
  6. Step 6: Final answer
    x = 9,868.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.