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Finding the Fourth Proportional to 12,045.84, 16,628.83 and 7,008.22

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Solution

The fourth proportional to 12,045.84, 16,628.83 and 7,008.22 is: 9,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.84 : 16,628.83 = 7,008.22 : x
  2. Step 2: Convert to fraction form
    12,045.84/16,628.83 = 7,008.22/x
  3. Step 3: Cross multiply
    12,045.84x = 16,628.83 × 7,008.22
  4. Step 4: Simplify right side
    12,045.84x = 116,538,498.98
  5. Step 5: Solve for x
    x = 116,538,498.98/12,045.84
  6. Step 6: Final answer
    x = 9,674.58

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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.