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Finding the Fourth Proportional to 37,757.80, 56,669.10 and 16,730.20

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Solution

The fourth proportional to 37,757.80, 56,669.10 and 16,730.20 is: 25,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,757.80 : 56,669.10 = 16,730.20 : x
  2. Step 2: Convert to fraction form
    37,757.80/56,669.10 = 16,730.20/x
  3. Step 3: Cross multiply
    37,757.80x = 56,669.10 × 16,730.20
  4. Step 4: Simplify right side
    37,757.80x = 948,085,376.82
  5. Step 5: Solve for x
    x = 948,085,376.82/37,757.80
  6. Step 6: Final answer
    x = 25,109.66

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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.