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Finding the Fourth Proportional to 2,914.77, 4,372.77 and 1,065.87

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Solution

The fourth proportional to 2,914.77, 4,372.77 and 1,065.87 is: 1,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.77 : 4,372.77 = 1,065.87 : x
  2. Step 2: Convert to fraction form
    2,914.77/4,372.77 = 1,065.87/x
  3. Step 3: Cross multiply
    2,914.77x = 4,372.77 × 1,065.87
  4. Step 4: Simplify right side
    2,914.77x = 4,660,804.36
  5. Step 5: Solve for x
    x = 4,660,804.36/2,914.77
  6. Step 6: Final answer
    x = 1,599.03

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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.