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Finding the Fourth Proportional to 57,175.68, 78,904.80 and 32,025.36

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Solution

The fourth proportional to 57,175.68, 78,904.80 and 32,025.36 is: 44,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.68 : 78,904.80 = 32,025.36 : x
  2. Step 2: Convert to fraction form
    57,175.68/78,904.80 = 32,025.36/x
  3. Step 3: Cross multiply
    57,175.68x = 78,904.80 × 32,025.36
  4. Step 4: Simplify right side
    57,175.68x = 2,526,954,625.73
  5. Step 5: Solve for x
    x = 2,526,954,625.73/57,175.68
  6. Step 6: Final answer
    x = 44,196.32

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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.