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Finding the Fourth Proportional to 60,487.94, 90,750.36 and 30,926.53

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Solution

The fourth proportional to 60,487.94, 90,750.36 and 30,926.53 is: 46,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.94 : 90,750.36 = 30,926.53 : x
  2. Step 2: Convert to fraction form
    60,487.94/90,750.36 = 30,926.53/x
  3. Step 3: Cross multiply
    60,487.94x = 90,750.36 × 30,926.53
  4. Step 4: Simplify right side
    60,487.94x = 2,806,593,731.05
  5. Step 5: Solve for x
    x = 2,806,593,731.05/60,487.94
  6. Step 6: Final answer
    x = 46,399.23

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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.