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Finding the Fourth Proportional to 1,347.56, 2,023.06 and 1,039.62

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Solution

The fourth proportional to 1,347.56, 2,023.06 and 1,039.62 is: 1,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.56 : 2,023.06 = 1,039.62 : x
  2. Step 2: Convert to fraction form
    1,347.56/2,023.06 = 1,039.62/x
  3. Step 3: Cross multiply
    1,347.56x = 2,023.06 × 1,039.62
  4. Step 4: Simplify right side
    1,347.56x = 2,103,213.64
  5. Step 5: Solve for x
    x = 2,103,213.64/1,347.56
  6. Step 6: Final answer
    x = 1,560.76

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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.