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Finding the Fourth Proportional to 1,586.07, 2,189.07 and 1,063.01

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Solution

The fourth proportional to 1,586.07, 2,189.07 and 1,063.01 is: 1,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.07 : 2,189.07 = 1,063.01 : x
  2. Step 2: Convert to fraction form
    1,586.07/2,189.07 = 1,063.01/x
  3. Step 3: Cross multiply
    1,586.07x = 2,189.07 × 1,063.01
  4. Step 4: Simplify right side
    1,586.07x = 2,327,003.30
  5. Step 5: Solve for x
    x = 2,327,003.30/1,586.07
  6. Step 6: Final answer
    x = 1,467.15

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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.