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Finding the Fourth Proportional to 5,323.70, 7,438.60 and 5,323.70

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Solution

The fourth proportional to 5,323.70, 7,438.60 and 5,323.70 is: 7,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.70 : 7,438.60 = 5,323.70 : x
  2. Step 2: Convert to fraction form
    5,323.70/7,438.60 = 5,323.70/x
  3. Step 3: Cross multiply
    5,323.70x = 7,438.60 × 5,323.70
  4. Step 4: Simplify right side
    5,323.70x = 39,600,874.82
  5. Step 5: Solve for x
    x = 39,600,874.82/5,323.70
  6. Step 6: Final answer
    x = 7,438.60

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.