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Finding the Fourth Proportional to 7,860.53, 10,847.76 and 4,323.97

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Solution

The fourth proportional to 7,860.53, 10,847.76 and 4,323.97 is: 5,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.53 : 10,847.76 = 4,323.97 : x
  2. Step 2: Convert to fraction form
    7,860.53/10,847.76 = 4,323.97/x
  3. Step 3: Cross multiply
    7,860.53x = 10,847.76 × 4,323.97
  4. Step 4: Simplify right side
    7,860.53x = 46,905,388.81
  5. Step 5: Solve for x
    x = 46,905,388.81/7,860.53
  6. Step 6: Final answer
    x = 5,967.20

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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.