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Finding the Fourth Proportional to 2,941.65, 4,412.88 and 966.60

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Solution

The fourth proportional to 2,941.65, 4,412.88 and 966.60 is: 1,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.65 : 4,412.88 = 966.60 : x
  2. Step 2: Convert to fraction form
    2,941.65/4,412.88 = 966.60/x
  3. Step 3: Cross multiply
    2,941.65x = 4,412.88 × 966.60
  4. Step 4: Simplify right side
    2,941.65x = 4,265,489.81
  5. Step 5: Solve for x
    x = 4,265,489.81/2,941.65
  6. Step 6: Final answer
    x = 1,450.03

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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.