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Finding the Fourth Proportional to 2,961.83, 4,416.99 and 2,922.10

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Solution

The fourth proportional to 2,961.83, 4,416.99 and 2,922.10 is: 4,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.83 : 4,416.99 = 2,922.10 : x
  2. Step 2: Convert to fraction form
    2,961.83/4,416.99 = 2,922.10/x
  3. Step 3: Cross multiply
    2,961.83x = 4,416.99 × 2,922.10
  4. Step 4: Simplify right side
    2,961.83x = 12,906,886.48
  5. Step 5: Solve for x
    x = 12,906,886.48/2,961.83
  6. Step 6: Final answer
    x = 4,357.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.