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Finding the Fourth Proportional to 5,791.53, 8,684.72 and 1,842.05

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Solution

The fourth proportional to 5,791.53, 8,684.72 and 1,842.05 is: 2,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.53 : 8,684.72 = 1,842.05 : x
  2. Step 2: Convert to fraction form
    5,791.53/8,684.72 = 1,842.05/x
  3. Step 3: Cross multiply
    5,791.53x = 8,684.72 × 1,842.05
  4. Step 4: Simplify right side
    5,791.53x = 15,997,683.46
  5. Step 5: Solve for x
    x = 15,997,683.46/5,791.53
  6. Step 6: Final answer
    x = 2,762.25

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1.5x scale

Why These Related Problems?

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