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Finding the Fourth Proportional to 2,964.03, 4,445.28 and 1,319.64

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Solution

The fourth proportional to 2,964.03, 4,445.28 and 1,319.64 is: 1,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.03 : 4,445.28 = 1,319.64 : x
  2. Step 2: Convert to fraction form
    2,964.03/4,445.28 = 1,319.64/x
  3. Step 3: Cross multiply
    2,964.03x = 4,445.28 × 1,319.64
  4. Step 4: Simplify right side
    2,964.03x = 5,866,169.30
  5. Step 5: Solve for x
    x = 5,866,169.30/2,964.03
  6. Step 6: Final answer
    x = 1,979.12

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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.