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Finding the Fourth Proportional to 57,980.96, 79,994.88 and 32,825.60

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Solution

The fourth proportional to 57,980.96, 79,994.88 and 32,825.60 is: 45,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.96 : 79,994.88 = 32,825.60 : x
  2. Step 2: Convert to fraction form
    57,980.96/79,994.88 = 32,825.60/x
  3. Step 3: Cross multiply
    57,980.96x = 79,994.88 × 32,825.60
  4. Step 4: Simplify right side
    57,980.96x = 2,625,879,932.93
  5. Step 5: Solve for x
    x = 2,625,879,932.93/57,980.96
  6. Step 6: Final answer
    x = 45,288.66

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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.