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Finding the Fourth Proportional to 12,941.04, 19,406.64 and 4,174.64

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Solution

The fourth proportional to 12,941.04, 19,406.64 and 4,174.64 is: 6,260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.04 : 19,406.64 = 4,174.64 : x
  2. Step 2: Convert to fraction form
    12,941.04/19,406.64 = 4,174.64/x
  3. Step 3: Cross multiply
    12,941.04x = 19,406.64 × 4,174.64
  4. Step 4: Simplify right side
    12,941.04x = 81,015,735.61
  5. Step 5: Solve for x
    x = 81,015,735.61/12,941.04
  6. Step 6: Final answer
    x = 6,260.37

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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.