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Finding the Fourth Proportional to 1,626.56, 2,239.84 and 1,592.48

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Solution

The fourth proportional to 1,626.56, 2,239.84 and 1,592.48 is: 2,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.56 : 2,239.84 = 1,592.48 : x
  2. Step 2: Convert to fraction form
    1,626.56/2,239.84 = 1,592.48/x
  3. Step 3: Cross multiply
    1,626.56x = 2,239.84 × 1,592.48
  4. Step 4: Simplify right side
    1,626.56x = 3,566,900.40
  5. Step 5: Solve for x
    x = 3,566,900.40/1,626.56
  6. Step 6: Final answer
    x = 2,192.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.