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Finding the Fourth Proportional to 8,914.96, 13,368.24 and 2,672.56

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Solution

The fourth proportional to 8,914.96, 13,368.24 and 2,672.56 is: 4,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.96 : 13,368.24 = 2,672.56 : x
  2. Step 2: Convert to fraction form
    8,914.96/13,368.24 = 2,672.56/x
  3. Step 3: Cross multiply
    8,914.96x = 13,368.24 × 2,672.56
  4. Step 4: Simplify right side
    8,914.96x = 35,727,423.49
  5. Step 5: Solve for x
    x = 35,727,423.49/8,914.96
  6. Step 6: Final answer
    x = 4,007.58

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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.