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Finding the Fourth Proportional to 3,074.95, 4,611.93 and 883.18

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Solution

The fourth proportional to 3,074.95, 4,611.93 and 883.18 is: 1,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.95 : 4,611.93 = 883.18 : x
  2. Step 2: Convert to fraction form
    3,074.95/4,611.93 = 883.18/x
  3. Step 3: Cross multiply
    3,074.95x = 4,611.93 × 883.18
  4. Step 4: Simplify right side
    3,074.95x = 4,073,164.34
  5. Step 5: Solve for x
    x = 4,073,164.34/3,074.95
  6. Step 6: Final answer
    x = 1,324.63

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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.