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Finding the Fourth Proportional to 57,875.62, 79,871.46 and 32,380.46

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Solution

The fourth proportional to 57,875.62, 79,871.46 and 32,380.46 is: 44,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,875.62 : 79,871.46 = 32,380.46 : x
  2. Step 2: Convert to fraction form
    57,875.62/79,871.46 = 32,380.46/x
  3. Step 3: Cross multiply
    57,875.62x = 79,871.46 × 32,380.46
  4. Step 4: Simplify right side
    57,875.62x = 2,586,274,453.77
  5. Step 5: Solve for x
    x = 2,586,274,453.77/57,875.62
  6. Step 6: Final answer
    x = 44,686.77

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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.