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Finding the Fourth Proportional to 3,311.55, 4,967.33 and 1,835.33

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Solution

The fourth proportional to 3,311.55, 4,967.33 and 1,835.33 is: 2,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.55 : 4,967.33 = 1,835.33 : x
  2. Step 2: Convert to fraction form
    3,311.55/4,967.33 = 1,835.33/x
  3. Step 3: Cross multiply
    3,311.55x = 4,967.33 × 1,835.33
  4. Step 4: Simplify right side
    3,311.55x = 9,116,655.76
  5. Step 5: Solve for x
    x = 9,116,655.76/3,311.55
  6. Step 6: Final answer
    x = 2,752.99

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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.