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Finding the Fourth Proportional to 60,607.51, 90,912.73 and 20,626.41

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Solution

The fourth proportional to 60,607.51, 90,912.73 and 20,626.41 is: 30,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,607.51 : 90,912.73 = 20,626.41 : x
  2. Step 2: Convert to fraction form
    60,607.51/90,912.73 = 20,626.41/x
  3. Step 3: Cross multiply
    60,607.51x = 90,912.73 × 20,626.41
  4. Step 4: Simplify right side
    60,607.51x = 1,875,203,571.23
  5. Step 5: Solve for x
    x = 1,875,203,571.23/60,607.51
  6. Step 6: Final answer
    x = 30,940.12

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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.