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Finding the Fourth Proportional to 2,050.49, 3,076.11 and 880.49

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Solution

The fourth proportional to 2,050.49, 3,076.11 and 880.49 is: 1,320.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.49 : 3,076.11 = 880.49 : x
  2. Step 2: Convert to fraction form
    2,050.49/3,076.11 = 880.49/x
  3. Step 3: Cross multiply
    2,050.49x = 3,076.11 × 880.49
  4. Step 4: Simplify right side
    2,050.49x = 2,708,468.71
  5. Step 5: Solve for x
    x = 2,708,468.71/2,050.49
  6. Step 6: Final answer
    x = 1,320.89

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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.