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Finding the Fourth Proportional to 1,975.05, 2,959.74 and 1,450.94

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Solution

The fourth proportional to 1,975.05, 2,959.74 and 1,450.94 is: 2,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.05 : 2,959.74 = 1,450.94 : x
  2. Step 2: Convert to fraction form
    1,975.05/2,959.74 = 1,450.94/x
  3. Step 3: Cross multiply
    1,975.05x = 2,959.74 × 1,450.94
  4. Step 4: Simplify right side
    1,975.05x = 4,294,390.36
  5. Step 5: Solve for x
    x = 4,294,390.36/1,975.05
  6. Step 6: Final answer
    x = 2,174.32

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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.