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Finding the Fourth Proportional to 49,234.80, 73,852.20 and 28,498.80

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Solution

The fourth proportional to 49,234.80, 73,852.20 and 28,498.80 is: 42,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,234.80 : 73,852.20 = 28,498.80 : x
  2. Step 2: Convert to fraction form
    49,234.80/73,852.20 = 28,498.80/x
  3. Step 3: Cross multiply
    49,234.80x = 73,852.20 × 28,498.80
  4. Step 4: Simplify right side
    49,234.80x = 2,104,699,077.36
  5. Step 5: Solve for x
    x = 2,104,699,077.36/49,234.80
  6. Step 6: Final answer
    x = 42,748.20

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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.