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Finding the Fourth Proportional to 42,872.80, 59,163.08 and 23,751.80

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Solution

The fourth proportional to 42,872.80, 59,163.08 and 23,751.80 is: 32,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,872.80 : 59,163.08 = 23,751.80 : x
  2. Step 2: Convert to fraction form
    42,872.80/59,163.08 = 23,751.80/x
  3. Step 3: Cross multiply
    42,872.80x = 59,163.08 × 23,751.80
  4. Step 4: Simplify right side
    42,872.80x = 1,405,229,643.54
  5. Step 5: Solve for x
    x = 1,405,229,643.54/42,872.80
  6. Step 6: Final answer
    x = 32,776.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.