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Finding the Fourth Proportional to 9,174.72, 13,762.08 and 4,243.44

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Solution

The fourth proportional to 9,174.72, 13,762.08 and 4,243.44 is: 6,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.72 : 13,762.08 = 4,243.44 : x
  2. Step 2: Convert to fraction form
    9,174.72/13,762.08 = 4,243.44/x
  3. Step 3: Cross multiply
    9,174.72x = 13,762.08 × 4,243.44
  4. Step 4: Simplify right side
    9,174.72x = 58,398,560.76
  5. Step 5: Solve for x
    x = 58,398,560.76/9,174.72
  6. Step 6: Final answer
    x = 6,365.16

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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.