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Finding the Fourth Proportional to 8,974.17, 12,384.72 and 4,995.03

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Solution

The fourth proportional to 8,974.17, 12,384.72 and 4,995.03 is: 6,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.17 : 12,384.72 = 4,995.03 : x
  2. Step 2: Convert to fraction form
    8,974.17/12,384.72 = 4,995.03/x
  3. Step 3: Cross multiply
    8,974.17x = 12,384.72 × 4,995.03
  4. Step 4: Simplify right side
    8,974.17x = 61,862,047.94
  5. Step 5: Solve for x
    x = 61,862,047.94/8,974.17
  6. Step 6: Final answer
    x = 6,893.34

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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.