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Finding the Fourth Proportional to 9,762.12, 13,466.25 and 6,219.18

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Solution

The fourth proportional to 9,762.12, 13,466.25 and 6,219.18 is: 8,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.12 : 13,466.25 = 6,219.18 : x
  2. Step 2: Convert to fraction form
    9,762.12/13,466.25 = 6,219.18/x
  3. Step 3: Cross multiply
    9,762.12x = 13,466.25 × 6,219.18
  4. Step 4: Simplify right side
    9,762.12x = 83,749,032.68
  5. Step 5: Solve for x
    x = 83,749,032.68/9,762.12
  6. Step 6: Final answer
    x = 8,578.98

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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.