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Finding the Fourth Proportional to 50,208.76, 75,300.48 and 20,634.76

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Solution

The fourth proportional to 50,208.76, 75,300.48 and 20,634.76 is: 30,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,208.76 : 75,300.48 = 20,634.76 : x
  2. Step 2: Convert to fraction form
    50,208.76/75,300.48 = 20,634.76/x
  3. Step 3: Cross multiply
    50,208.76x = 75,300.48 × 20,634.76
  4. Step 4: Simplify right side
    50,208.76x = 1,553,807,332.68
  5. Step 5: Solve for x
    x = 1,553,807,332.68/50,208.76
  6. Step 6: Final answer
    x = 30,946.94

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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.