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Finding the Fourth Proportional to 42,871.80, 59,161.70 and 23,750.80

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Solution

The fourth proportional to 42,871.80, 59,161.70 and 23,750.80 is: 32,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,871.80 : 59,161.70 = 23,750.80 : x
  2. Step 2: Convert to fraction form
    42,871.80/59,161.70 = 23,750.80/x
  3. Step 3: Cross multiply
    42,871.80x = 59,161.70 × 23,750.80
  4. Step 4: Simplify right side
    42,871.80x = 1,405,137,704.36
  5. Step 5: Solve for x
    x = 1,405,137,704.36/42,871.80
  6. Step 6: Final answer
    x = 32,775.34

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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.