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Finding the Fourth Proportional to 5,907.47, 8,152.31 and 3,218.67

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Solution

The fourth proportional to 5,907.47, 8,152.31 and 3,218.67 is: 4,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.47 : 8,152.31 = 3,218.67 : x
  2. Step 2: Convert to fraction form
    5,907.47/8,152.31 = 3,218.67/x
  3. Step 3: Cross multiply
    5,907.47x = 8,152.31 × 3,218.67
  4. Step 4: Simplify right side
    5,907.47x = 26,239,579.53
  5. Step 5: Solve for x
    x = 26,239,579.53/5,907.47
  6. Step 6: Final answer
    x = 4,441.77

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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.