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Finding the Fourth Proportional to 57,349.60, 79,128.60 and 33,462.64

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Solution

The fourth proportional to 57,349.60, 79,128.60 and 33,462.64 is: 46,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,349.60 : 79,128.60 = 33,462.64 : x
  2. Step 2: Convert to fraction form
    57,349.60/79,128.60 = 33,462.64/x
  3. Step 3: Cross multiply
    57,349.60x = 79,128.60 × 33,462.64
  4. Step 4: Simplify right side
    57,349.60x = 2,647,851,855.50
  5. Step 5: Solve for x
    x = 2,647,851,855.50/57,349.60
  6. Step 6: Final answer
    x = 46,170.36

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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.