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Finding the Fourth Proportional to 7,958.34, 11,937.60 and 2,411.64

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Solution

The fourth proportional to 7,958.34, 11,937.60 and 2,411.64 is: 3,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.34 : 11,937.60 = 2,411.64 : x
  2. Step 2: Convert to fraction form
    7,958.34/11,937.60 = 2,411.64/x
  3. Step 3: Cross multiply
    7,958.34x = 11,937.60 × 2,411.64
  4. Step 4: Simplify right side
    7,958.34x = 28,789,193.66
  5. Step 5: Solve for x
    x = 28,789,193.66/7,958.34
  6. Step 6: Final answer
    x = 3,617.49

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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.