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Finding the Fourth Proportional to 79,924.50, 119,886.84 and 24,520.50

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Solution

The fourth proportional to 79,924.50, 119,886.84 and 24,520.50 is: 36,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,924.50 : 119,886.84 = 24,520.50 : x
  2. Step 2: Convert to fraction form
    79,924.50/119,886.84 = 24,520.50/x
  3. Step 3: Cross multiply
    79,924.50x = 119,886.84 × 24,520.50
  4. Step 4: Simplify right side
    79,924.50x = 2,939,685,260.22
  5. Step 5: Solve for x
    x = 2,939,685,260.22/79,924.50
  6. Step 6: Final answer
    x = 36,780.78

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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.