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Finding the Fourth Proportional to 2,043.12, 3,063.74 and 656.18

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Solution

The fourth proportional to 2,043.12, 3,063.74 and 656.18 is: 983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.12 : 3,063.74 = 656.18 : x
  2. Step 2: Convert to fraction form
    2,043.12/3,063.74 = 656.18/x
  3. Step 3: Cross multiply
    2,043.12x = 3,063.74 × 656.18
  4. Step 4: Simplify right side
    2,043.12x = 2,010,364.91
  5. Step 5: Solve for x
    x = 2,010,364.91/2,043.12
  6. Step 6: Final answer
    x = 983.97

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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.