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Finding the Fourth Proportional to 6,954.53, 10,428.39 and 3,440.48

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Solution

The fourth proportional to 6,954.53, 10,428.39 and 3,440.48 is: 5,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.53 : 10,428.39 = 3,440.48 : x
  2. Step 2: Convert to fraction form
    6,954.53/10,428.39 = 3,440.48/x
  3. Step 3: Cross multiply
    6,954.53x = 10,428.39 × 3,440.48
  4. Step 4: Simplify right side
    6,954.53x = 35,878,667.23
  5. Step 5: Solve for x
    x = 35,878,667.23/6,954.53
  6. Step 6: Final answer
    x = 5,159.04

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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.