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Finding the Fourth Proportional to 4,518.56, 6,773.52 and 2,870

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Solution

The fourth proportional to 4,518.56, 6,773.52 and 2,870 is: 4,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.56 : 6,773.52 = 2,870 : x
  2. Step 2: Convert to fraction form
    4,518.56/6,773.52 = 2,870/x
  3. Step 3: Cross multiply
    4,518.56x = 6,773.52 × 2,870
  4. Step 4: Simplify right side
    4,518.56x = 19,440,002.40
  5. Step 5: Solve for x
    x = 19,440,002.40/4,518.56
  6. Step 6: Final answer
    x = 4,302.26

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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.