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Finding the Fourth Proportional to 4,965.02, 7,447.80 and 1,680.26

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Solution

The fourth proportional to 4,965.02, 7,447.80 and 1,680.26 is: 2,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.02 : 7,447.80 = 1,680.26 : x
  2. Step 2: Convert to fraction form
    4,965.02/7,447.80 = 1,680.26/x
  3. Step 3: Cross multiply
    4,965.02x = 7,447.80 × 1,680.26
  4. Step 4: Simplify right side
    4,965.02x = 12,514,240.43
  5. Step 5: Solve for x
    x = 12,514,240.43/4,965.02
  6. Step 6: Final answer
    x = 2,520.48

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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.