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Finding the Fourth Proportional to 2,770.03, 4,155.05 and 2,700.32

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Solution

The fourth proportional to 2,770.03, 4,155.05 and 2,700.32 is: 4,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.03 : 4,155.05 = 2,700.32 : x
  2. Step 2: Convert to fraction form
    2,770.03/4,155.05 = 2,700.32/x
  3. Step 3: Cross multiply
    2,770.03x = 4,155.05 × 2,700.32
  4. Step 4: Simplify right side
    2,770.03x = 11,219,958.77
  5. Step 5: Solve for x
    x = 11,219,958.77/2,770.03
  6. Step 6: Final answer
    x = 4,050.48

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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.