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Finding the Fourth Proportional to 50,243, 75,311.64 and 16,951.40

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Solution

The fourth proportional to 50,243, 75,311.64 and 16,951.40 is: 25,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,243 : 75,311.64 = 16,951.40 : x
  2. Step 2: Convert to fraction form
    50,243/75,311.64 = 16,951.40/x
  3. Step 3: Cross multiply
    50,243x = 75,311.64 × 16,951.40
  4. Step 4: Simplify right side
    50,243x = 1,276,637,734.30
  5. Step 5: Solve for x
    x = 1,276,637,734.30/50,243
  6. Step 6: Final answer
    x = 25,409.27

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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.