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Finding the Fourth Proportional to 13,732.50, 18,950.85 and 7,444.88

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Solution

The fourth proportional to 13,732.50, 18,950.85 and 7,444.88 is: 10,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.50 : 18,950.85 = 7,444.88 : x
  2. Step 2: Convert to fraction form
    13,732.50/18,950.85 = 7,444.88/x
  3. Step 3: Cross multiply
    13,732.50x = 18,950.85 × 7,444.88
  4. Step 4: Simplify right side
    13,732.50x = 141,086,709.39
  5. Step 5: Solve for x
    x = 141,086,709.39/13,732.50
  6. Step 6: Final answer
    x = 10,273.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.