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Finding the Fourth Proportional to 7,074.50, 10,616.62 and 2,457.50

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Solution

The fourth proportional to 7,074.50, 10,616.62 and 2,457.50 is: 3,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.50 : 10,616.62 = 2,457.50 : x
  2. Step 2: Convert to fraction form
    7,074.50/10,616.62 = 2,457.50/x
  3. Step 3: Cross multiply
    7,074.50x = 10,616.62 × 2,457.50
  4. Step 4: Simplify right side
    7,074.50x = 26,090,343.65
  5. Step 5: Solve for x
    x = 26,090,343.65/7,074.50
  6. Step 6: Final answer
    x = 3,687.94

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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.