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Finding the Fourth Proportional to 2,310.87, 3,465.49 and 666.98

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Solution

The fourth proportional to 2,310.87, 3,465.49 and 666.98 is: 1,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.87 : 3,465.49 = 666.98 : x
  2. Step 2: Convert to fraction form
    2,310.87/3,465.49 = 666.98/x
  3. Step 3: Cross multiply
    2,310.87x = 3,465.49 × 666.98
  4. Step 4: Simplify right side
    2,310.87x = 2,311,412.52
  5. Step 5: Solve for x
    x = 2,311,412.52/2,310.87
  6. Step 6: Final answer
    x = 1,000.23

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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.