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Finding the Fourth Proportional to 6,248, 8,620.23 and 3,730.52

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Solution

The fourth proportional to 6,248, 8,620.23 and 3,730.52 is: 5,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248 : 8,620.23 = 3,730.52 : x
  2. Step 2: Convert to fraction form
    6,248/8,620.23 = 3,730.52/x
  3. Step 3: Cross multiply
    6,248x = 8,620.23 × 3,730.52
  4. Step 4: Simplify right side
    6,248x = 32,157,940.42
  5. Step 5: Solve for x
    x = 32,157,940.42/6,248
  6. Step 6: Final answer
    x = 5,146.92

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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.