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Finding the Fourth Proportional to 50,100.76, 75,133.68 and 16,813.72

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Solution

The fourth proportional to 50,100.76, 75,133.68 and 16,813.72 is: 25,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,100.76 : 75,133.68 = 16,813.72 : x
  2. Step 2: Convert to fraction form
    50,100.76/75,133.68 = 16,813.72/x
  3. Step 3: Cross multiply
    50,100.76x = 75,133.68 × 16,813.72
  4. Step 4: Simplify right side
    50,100.76x = 1,263,276,658.09
  5. Step 5: Solve for x
    x = 1,263,276,658.09/50,100.76
  6. Step 6: Final answer
    x = 25,214.72

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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.