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Finding the Fourth Proportional to 2,977.03, 4,466.25 and 1,416.25

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Solution

The fourth proportional to 2,977.03, 4,466.25 and 1,416.25 is: 2,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.03 : 4,466.25 = 1,416.25 : x
  2. Step 2: Convert to fraction form
    2,977.03/4,466.25 = 1,416.25/x
  3. Step 3: Cross multiply
    2,977.03x = 4,466.25 × 1,416.25
  4. Step 4: Simplify right side
    2,977.03x = 6,325,326.56
  5. Step 5: Solve for x
    x = 6,325,326.56/2,977.03
  6. Step 6: Final answer
    x = 2,124.71

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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.