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Finding the Fourth Proportional to 60,496.81, 90,763.67 and 30,935.41

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Solution

The fourth proportional to 60,496.81, 90,763.67 and 30,935.41 is: 46,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,496.81 : 90,763.67 = 30,935.41 : x
  2. Step 2: Convert to fraction form
    60,496.81/90,763.67 = 30,935.41/x
  3. Step 3: Cross multiply
    60,496.81x = 90,763.67 × 30,935.41
  4. Step 4: Simplify right side
    60,496.81x = 2,807,811,194.98
  5. Step 5: Solve for x
    x = 2,807,811,194.98/60,496.81
  6. Step 6: Final answer
    x = 46,412.55

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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.