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Finding the Fourth Proportional to 6,143.46, 8,477.96 and 3,348.96

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Solution

The fourth proportional to 6,143.46, 8,477.96 and 3,348.96 is: 4,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.46 : 8,477.96 = 3,348.96 : x
  2. Step 2: Convert to fraction form
    6,143.46/8,477.96 = 3,348.96/x
  3. Step 3: Cross multiply
    6,143.46x = 8,477.96 × 3,348.96
  4. Step 4: Simplify right side
    6,143.46x = 28,392,332.18
  5. Step 5: Solve for x
    x = 28,392,332.18/6,143.46
  6. Step 6: Final answer
    x = 4,621.55

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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.