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Finding the Fourth Proportional to 4,662.16, 6,433.86 and 2,672.86

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Solution

The fourth proportional to 4,662.16, 6,433.86 and 2,672.86 is: 3,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.16 : 6,433.86 = 2,672.86 : x
  2. Step 2: Convert to fraction form
    4,662.16/6,433.86 = 2,672.86/x
  3. Step 3: Cross multiply
    4,662.16x = 6,433.86 × 2,672.86
  4. Step 4: Simplify right side
    4,662.16x = 17,196,807.04
  5. Step 5: Solve for x
    x = 17,196,807.04/4,662.16
  6. Step 6: Final answer
    x = 3,688.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.