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Finding the Fourth Proportional to 2,393.84, 3,590.66 and 662.42

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Solution

The fourth proportional to 2,393.84, 3,590.66 and 662.42 is: 993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.84 : 3,590.66 = 662.42 : x
  2. Step 2: Convert to fraction form
    2,393.84/3,590.66 = 662.42/x
  3. Step 3: Cross multiply
    2,393.84x = 3,590.66 × 662.42
  4. Step 4: Simplify right side
    2,393.84x = 2,378,525.00
  5. Step 5: Solve for x
    x = 2,378,525.00/2,393.84
  6. Step 6: Final answer
    x = 993.60

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1.5x scale

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.