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Finding the Fourth Proportional to 2,101.84, 3,149.16 and 1,484.44

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Solution

The fourth proportional to 2,101.84, 3,149.16 and 1,484.44 is: 2,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.84 : 3,149.16 = 1,484.44 : x
  2. Step 2: Convert to fraction form
    2,101.84/3,149.16 = 1,484.44/x
  3. Step 3: Cross multiply
    2,101.84x = 3,149.16 × 1,484.44
  4. Step 4: Simplify right side
    2,101.84x = 4,674,739.07
  5. Step 5: Solve for x
    x = 4,674,739.07/2,101.84
  6. Step 6: Final answer
    x = 2,224.12

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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.