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Finding the Fourth Proportional to 2,443.64, 3,665.46 and 1,627.16

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Solution

The fourth proportional to 2,443.64, 3,665.46 and 1,627.16 is: 2,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.64 : 3,665.46 = 1,627.16 : x
  2. Step 2: Convert to fraction form
    2,443.64/3,665.46 = 1,627.16/x
  3. Step 3: Cross multiply
    2,443.64x = 3,665.46 × 1,627.16
  4. Step 4: Simplify right side
    2,443.64x = 5,964,289.89
  5. Step 5: Solve for x
    x = 5,964,289.89/2,443.64
  6. Step 6: Final answer
    x = 2,440.74

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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.