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Finding the Fourth Proportional to 57,860.40, 79,844.16 and 32,708.32

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Solution

The fourth proportional to 57,860.40, 79,844.16 and 32,708.32 is: 45,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,860.40 : 79,844.16 = 32,708.32 : x
  2. Step 2: Convert to fraction form
    57,860.40/79,844.16 = 32,708.32/x
  3. Step 3: Cross multiply
    57,860.40x = 79,844.16 × 32,708.32
  4. Step 4: Simplify right side
    57,860.40x = 2,611,568,335.41
  5. Step 5: Solve for x
    x = 2,611,568,335.41/57,860.40
  6. Step 6: Final answer
    x = 45,135.68

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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.