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Finding the Fourth Proportional to 2,844.84, 4,267.23 and 870.46

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Solution

The fourth proportional to 2,844.84, 4,267.23 and 870.46 is: 1,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.84 : 4,267.23 = 870.46 : x
  2. Step 2: Convert to fraction form
    2,844.84/4,267.23 = 870.46/x
  3. Step 3: Cross multiply
    2,844.84x = 4,267.23 × 870.46
  4. Step 4: Simplify right side
    2,844.84x = 3,714,453.03
  5. Step 5: Solve for x
    x = 3,714,453.03/2,844.84
  6. Step 6: Final answer
    x = 1,305.68

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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.