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Finding the Fourth Proportional to 6,608.74, 9,912.15 and 1,927.50

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Solution

The fourth proportional to 6,608.74, 9,912.15 and 1,927.50 is: 2,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.74 : 9,912.15 = 1,927.50 : x
  2. Step 2: Convert to fraction form
    6,608.74/9,912.15 = 1,927.50/x
  3. Step 3: Cross multiply
    6,608.74x = 9,912.15 × 1,927.50
  4. Step 4: Simplify right side
    6,608.74x = 19,105,669.13
  5. Step 5: Solve for x
    x = 19,105,669.13/6,608.74
  6. Step 6: Final answer
    x = 2,890.97

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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.