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Finding the Fourth Proportional to 8,708.01, 12,017.02 and 4,930.80

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Solution

The fourth proportional to 8,708.01, 12,017.02 and 4,930.80 is: 6,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.01 : 12,017.02 = 4,930.80 : x
  2. Step 2: Convert to fraction form
    8,708.01/12,017.02 = 4,930.80/x
  3. Step 3: Cross multiply
    8,708.01x = 12,017.02 × 4,930.80
  4. Step 4: Simplify right side
    8,708.01x = 59,253,522.22
  5. Step 5: Solve for x
    x = 59,253,522.22/8,708.01
  6. Step 6: Final answer
    x = 6,804.48

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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.