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Finding the Fourth Proportional to 50,602.98, 75,900.80 and 15,540.50

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Solution

The fourth proportional to 50,602.98, 75,900.80 and 15,540.50 is: 23,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,602.98 : 75,900.80 = 15,540.50 : x
  2. Step 2: Convert to fraction form
    50,602.98/75,900.80 = 15,540.50/x
  3. Step 3: Cross multiply
    50,602.98x = 75,900.80 × 15,540.50
  4. Step 4: Simplify right side
    50,602.98x = 1,179,536,382.40
  5. Step 5: Solve for x
    x = 1,179,536,382.40/50,602.98
  6. Step 6: Final answer
    x = 23,309.62

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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.