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Finding the Fourth Proportional to 1,751.04, 2,619.84 and 1,586.88

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Solution

The fourth proportional to 1,751.04, 2,619.84 and 1,586.88 is: 2,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.04 : 2,619.84 = 1,586.88 : x
  2. Step 2: Convert to fraction form
    1,751.04/2,619.84 = 1,586.88/x
  3. Step 3: Cross multiply
    1,751.04x = 2,619.84 × 1,586.88
  4. Step 4: Simplify right side
    1,751.04x = 4,157,371.70
  5. Step 5: Solve for x
    x = 4,157,371.70/1,751.04
  6. Step 6: Final answer
    x = 2,374.23

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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.