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Finding the Fourth Proportional to 1,747.19, 2,619.03 and 967.55

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Solution

The fourth proportional to 1,747.19, 2,619.03 and 967.55 is: 1,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.19 : 2,619.03 = 967.55 : x
  2. Step 2: Convert to fraction form
    1,747.19/2,619.03 = 967.55/x
  3. Step 3: Cross multiply
    1,747.19x = 2,619.03 × 967.55
  4. Step 4: Simplify right side
    1,747.19x = 2,534,029.38
  5. Step 5: Solve for x
    x = 2,534,029.38/1,747.19
  6. Step 6: Final answer
    x = 1,450.35

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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.