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Finding the Fourth Proportional to 49,210.80, 73,819.80 and 14,150.76

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Solution

The fourth proportional to 49,210.80, 73,819.80 and 14,150.76 is: 21,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,210.80 : 73,819.80 = 14,150.76 : x
  2. Step 2: Convert to fraction form
    49,210.80/73,819.80 = 14,150.76/x
  3. Step 3: Cross multiply
    49,210.80x = 73,819.80 × 14,150.76
  4. Step 4: Simplify right side
    49,210.80x = 1,044,606,273.05
  5. Step 5: Solve for x
    x = 1,044,606,273.05/49,210.80
  6. Step 6: Final answer
    x = 21,227.18

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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.