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Finding the Fourth Proportional to 7,400.84, 11,106.68 and 3,505.23

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Solution

The fourth proportional to 7,400.84, 11,106.68 and 3,505.23 is: 5,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.84 : 11,106.68 = 3,505.23 : x
  2. Step 2: Convert to fraction form
    7,400.84/11,106.68 = 3,505.23/x
  3. Step 3: Cross multiply
    7,400.84x = 11,106.68 × 3,505.23
  4. Step 4: Simplify right side
    7,400.84x = 38,931,450.41
  5. Step 5: Solve for x
    x = 38,931,450.41/7,400.84
  6. Step 6: Final answer
    x = 5,260.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.