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Finding the Fourth Proportional to 7,079.50, 10,623.57 and 2,975.50

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Solution

The fourth proportional to 7,079.50, 10,623.57 and 2,975.50 is: 4,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.50 : 10,623.57 = 2,975.50 : x
  2. Step 2: Convert to fraction form
    7,079.50/10,623.57 = 2,975.50/x
  3. Step 3: Cross multiply
    7,079.50x = 10,623.57 × 2,975.50
  4. Step 4: Simplify right side
    7,079.50x = 31,610,432.54
  5. Step 5: Solve for x
    x = 31,610,432.54/7,079.50
  6. Step 6: Final answer
    x = 4,465.07

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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.