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Finding the Fourth Proportional to 7,300.68, 10,951.12 and 2,106.56

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Solution

The fourth proportional to 7,300.68, 10,951.12 and 2,106.56 is: 3,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.68 : 10,951.12 = 2,106.56 : x
  2. Step 2: Convert to fraction form
    7,300.68/10,951.12 = 2,106.56/x
  3. Step 3: Cross multiply
    7,300.68x = 10,951.12 × 2,106.56
  4. Step 4: Simplify right side
    7,300.68x = 23,069,191.35
  5. Step 5: Solve for x
    x = 23,069,191.35/7,300.68
  6. Step 6: Final answer
    x = 3,159.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.