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Finding the Fourth Proportional to 57,775.68, 79,730.32 and 32,625.20

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Solution

The fourth proportional to 57,775.68, 79,730.32 and 32,625.20 is: 45,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775.68 : 79,730.32 = 32,625.20 : x
  2. Step 2: Convert to fraction form
    57,775.68/79,730.32 = 32,625.20/x
  3. Step 3: Cross multiply
    57,775.68x = 79,730.32 × 32,625.20
  4. Step 4: Simplify right side
    57,775.68x = 2,601,217,636.06
  5. Step 5: Solve for x
    x = 2,601,217,636.06/57,775.68
  6. Step 6: Final answer
    x = 45,022.71

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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.