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Finding the Fourth Proportional to 2,770.01, 3,823.12 and 1,800.13

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Solution

The fourth proportional to 2,770.01, 3,823.12 and 1,800.13 is: 2,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.01 : 3,823.12 = 1,800.13 : x
  2. Step 2: Convert to fraction form
    2,770.01/3,823.12 = 1,800.13/x
  3. Step 3: Cross multiply
    2,770.01x = 3,823.12 × 1,800.13
  4. Step 4: Simplify right side
    2,770.01x = 6,882,104.00
  5. Step 5: Solve for x
    x = 6,882,104.00/2,770.01
  6. Step 6: Final answer
    x = 2,484.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.