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Finding the Fourth Proportional to 8,955.89, 12,343.06 and 7,282.83

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Solution

The fourth proportional to 8,955.89, 12,343.06 and 7,282.83 is: 10,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.89 : 12,343.06 = 7,282.83 : x
  2. Step 2: Convert to fraction form
    8,955.89/12,343.06 = 7,282.83/x
  3. Step 3: Cross multiply
    8,955.89x = 12,343.06 × 7,282.83
  4. Step 4: Simplify right side
    8,955.89x = 89,892,389.45
  5. Step 5: Solve for x
    x = 89,892,389.45/8,955.89
  6. Step 6: Final answer
    x = 10,037.24

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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.