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Finding the Fourth Proportional to 50,012.50, 75,019.47 and 13,076.50

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Solution

The fourth proportional to 50,012.50, 75,019.47 and 13,076.50 is: 19,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,012.50 : 75,019.47 = 13,076.50 : x
  2. Step 2: Convert to fraction form
    50,012.50/75,019.47 = 13,076.50/x
  3. Step 3: Cross multiply
    50,012.50x = 75,019.47 × 13,076.50
  4. Step 4: Simplify right side
    50,012.50x = 980,992,099.46
  5. Step 5: Solve for x
    x = 980,992,099.46/50,012.50
  6. Step 6: Final answer
    x = 19,614.94

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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.