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Finding the Fourth Proportional to 5,914.96, 8,872.56 and 3,970.96

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Solution

The fourth proportional to 5,914.96, 8,872.56 and 3,970.96 is: 5,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.96 : 8,872.56 = 3,970.96 : x
  2. Step 2: Convert to fraction form
    5,914.96/8,872.56 = 3,970.96/x
  3. Step 3: Cross multiply
    5,914.96x = 8,872.56 × 3,970.96
  4. Step 4: Simplify right side
    5,914.96x = 35,232,580.86
  5. Step 5: Solve for x
    x = 35,232,580.86/5,914.96
  6. Step 6: Final answer
    x = 5,956.52

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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.