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Finding the Fourth Proportional to 6,246.63, 8,621.24 and 4,256.46

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Solution

The fourth proportional to 6,246.63, 8,621.24 and 4,256.46 is: 5,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.63 : 8,621.24 = 4,256.46 : x
  2. Step 2: Convert to fraction form
    6,246.63/8,621.24 = 4,256.46/x
  3. Step 3: Cross multiply
    6,246.63x = 8,621.24 × 4,256.46
  4. Step 4: Simplify right side
    6,246.63x = 36,695,941.93
  5. Step 5: Solve for x
    x = 36,695,941.93/6,246.63
  6. Step 6: Final answer
    x = 5,874.52

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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.