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Finding the Fourth Proportional to 57,873.80, 86,810.70 and 16,320.80

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Solution

The fourth proportional to 57,873.80, 86,810.70 and 16,320.80 is: 24,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,873.80 : 86,810.70 = 16,320.80 : x
  2. Step 2: Convert to fraction form
    57,873.80/86,810.70 = 16,320.80/x
  3. Step 3: Cross multiply
    57,873.80x = 86,810.70 × 16,320.80
  4. Step 4: Simplify right side
    57,873.80x = 1,416,820,072.56
  5. Step 5: Solve for x
    x = 1,416,820,072.56/57,873.80
  6. Step 6: Final answer
    x = 24,481.20

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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.