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Finding the Fourth Proportional to 2,465.55, 3,698.46 and 822.24

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Solution

The fourth proportional to 2,465.55, 3,698.46 and 822.24 is: 1,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.55 : 3,698.46 = 822.24 : x
  2. Step 2: Convert to fraction form
    2,465.55/3,698.46 = 822.24/x
  3. Step 3: Cross multiply
    2,465.55x = 3,698.46 × 822.24
  4. Step 4: Simplify right side
    2,465.55x = 3,041,021.75
  5. Step 5: Solve for x
    x = 3,041,021.75/2,465.55
  6. Step 6: Final answer
    x = 1,233.41

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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.