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Finding the Fourth Proportional to 1,768.84, 2,435.44 and 1,502.72

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Solution

The fourth proportional to 1,768.84, 2,435.44 and 1,502.72 is: 2,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.84 : 2,435.44 = 1,502.72 : x
  2. Step 2: Convert to fraction form
    1,768.84/2,435.44 = 1,502.72/x
  3. Step 3: Cross multiply
    1,768.84x = 2,435.44 × 1,502.72
  4. Step 4: Simplify right side
    1,768.84x = 3,659,776.88
  5. Step 5: Solve for x
    x = 3,659,776.88/1,768.84
  6. Step 6: Final answer
    x = 2,069.03

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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.