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Finding the Fourth Proportional to 50,890.66, 70,227.21 and 28,533.22

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Solution

The fourth proportional to 50,890.66, 70,227.21 and 28,533.22 is: 39,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.66 : 70,227.21 = 28,533.22 : x
  2. Step 2: Convert to fraction form
    50,890.66/70,227.21 = 28,533.22/x
  3. Step 3: Cross multiply
    50,890.66x = 70,227.21 × 28,533.22
  4. Step 4: Simplify right side
    50,890.66x = 2,003,808,432.92
  5. Step 5: Solve for x
    x = 2,003,808,432.92/50,890.66
  6. Step 6: Final answer
    x = 39,374.78

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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.