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Finding the Fourth Proportional to 43,995.15, 65,995.29 and 16,977.63

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Solution

The fourth proportional to 43,995.15, 65,995.29 and 16,977.63 is: 25,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.15 : 65,995.29 = 16,977.63 : x
  2. Step 2: Convert to fraction form
    43,995.15/65,995.29 = 16,977.63/x
  3. Step 3: Cross multiply
    43,995.15x = 65,995.29 × 16,977.63
  4. Step 4: Simplify right side
    43,995.15x = 1,120,443,862.85
  5. Step 5: Solve for x
    x = 1,120,443,862.85/43,995.15
  6. Step 6: Final answer
    x = 25,467.44

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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.