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Finding the Fourth Proportional to 2,011.43, 3,016.15 and 841.08

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Solution

The fourth proportional to 2,011.43, 3,016.15 and 841.08 is: 1,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.43 : 3,016.15 = 841.08 : x
  2. Step 2: Convert to fraction form
    2,011.43/3,016.15 = 841.08/x
  3. Step 3: Cross multiply
    2,011.43x = 3,016.15 × 841.08
  4. Step 4: Simplify right side
    2,011.43x = 2,536,823.44
  5. Step 5: Solve for x
    x = 2,536,823.44/2,011.43
  6. Step 6: Final answer
    x = 1,261.20

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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.