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Finding the Fourth Proportional to 4,786.98, 6,605.98 and 2,662.50

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Solution

The fourth proportional to 4,786.98, 6,605.98 and 2,662.50 is: 3,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.98 : 6,605.98 = 2,662.50 : x
  2. Step 2: Convert to fraction form
    4,786.98/6,605.98 = 2,662.50/x
  3. Step 3: Cross multiply
    4,786.98x = 6,605.98 × 2,662.50
  4. Step 4: Simplify right side
    4,786.98x = 17,588,421.75
  5. Step 5: Solve for x
    x = 17,588,421.75/4,786.98
  6. Step 6: Final answer
    x = 3,674.22

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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.