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Finding the Fourth Proportional to 3,650.64, 5,472.72 and 2,725.08

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Solution

The fourth proportional to 3,650.64, 5,472.72 and 2,725.08 is: 4,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.64 : 5,472.72 = 2,725.08 : x
  2. Step 2: Convert to fraction form
    3,650.64/5,472.72 = 2,725.08/x
  3. Step 3: Cross multiply
    3,650.64x = 5,472.72 × 2,725.08
  4. Step 4: Simplify right side
    3,650.64x = 14,913,599.82
  5. Step 5: Solve for x
    x = 14,913,599.82/3,650.64
  6. Step 6: Final answer
    x = 4,085.20

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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.