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Finding the Fourth Proportional to 4,917.18, 7,376.85 and 1,630.74

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Solution

The fourth proportional to 4,917.18, 7,376.85 and 1,630.74 is: 2,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.18 : 7,376.85 = 1,630.74 : x
  2. Step 2: Convert to fraction form
    4,917.18/7,376.85 = 1,630.74/x
  3. Step 3: Cross multiply
    4,917.18x = 7,376.85 × 1,630.74
  4. Step 4: Simplify right side
    4,917.18x = 12,029,724.37
  5. Step 5: Solve for x
    x = 12,029,724.37/4,917.18
  6. Step 6: Final answer
    x = 2,446.47

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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.