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Finding the Fourth Proportional to 8,930.60, 12,323.75 and 4,951.43

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Solution

The fourth proportional to 8,930.60, 12,323.75 and 4,951.43 is: 6,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.60 : 12,323.75 = 4,951.43 : x
  2. Step 2: Convert to fraction form
    8,930.60/12,323.75 = 4,951.43/x
  3. Step 3: Cross multiply
    8,930.60x = 12,323.75 × 4,951.43
  4. Step 4: Simplify right side
    8,930.60x = 61,020,145.30
  5. Step 5: Solve for x
    x = 61,020,145.30/8,930.60
  6. Step 6: Final answer
    x = 6,832.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.