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Finding the Fourth Proportional to 9,046.98, 12,461.34 and 6,389.76

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Solution

The fourth proportional to 9,046.98, 12,461.34 and 6,389.76 is: 8,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,046.98 : 12,461.34 = 6,389.76 : x
  2. Step 2: Convert to fraction form
    9,046.98/12,461.34 = 6,389.76/x
  3. Step 3: Cross multiply
    9,046.98x = 12,461.34 × 6,389.76
  4. Step 4: Simplify right side
    9,046.98x = 79,624,971.88
  5. Step 5: Solve for x
    x = 79,624,971.88/9,046.98
  6. Step 6: Final answer
    x = 8,801.28

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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.