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Finding the Fourth Proportional to 2,263.64, 3,393.68 and 964.12

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Solution

The fourth proportional to 2,263.64, 3,393.68 and 964.12 is: 1,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.64 : 3,393.68 = 964.12 : x
  2. Step 2: Convert to fraction form
    2,263.64/3,393.68 = 964.12/x
  3. Step 3: Cross multiply
    2,263.64x = 3,393.68 × 964.12
  4. Step 4: Simplify right side
    2,263.64x = 3,271,914.76
  5. Step 5: Solve for x
    x = 3,271,914.76/2,263.64
  6. Step 6: Final answer
    x = 1,445.42

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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.