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Finding the Fourth Proportional to 4,874.60, 7,313.52 and 1,951.40

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Solution

The fourth proportional to 4,874.60, 7,313.52 and 1,951.40 is: 2,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.60 : 7,313.52 = 1,951.40 : x
  2. Step 2: Convert to fraction form
    4,874.60/7,313.52 = 1,951.40/x
  3. Step 3: Cross multiply
    4,874.60x = 7,313.52 × 1,951.40
  4. Step 4: Simplify right side
    4,874.60x = 14,271,602.93
  5. Step 5: Solve for x
    x = 14,271,602.93/4,874.60
  6. Step 6: Final answer
    x = 2,927.75

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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.