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Finding the Fourth Proportional to 57,396.48, 79,213.20 and 33,530.88

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Solution

The fourth proportional to 57,396.48, 79,213.20 and 33,530.88 is: 46,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396.48 : 79,213.20 = 33,530.88 : x
  2. Step 2: Convert to fraction form
    57,396.48/79,213.20 = 33,530.88/x
  3. Step 3: Cross multiply
    57,396.48x = 79,213.20 × 33,530.88
  4. Step 4: Simplify right side
    57,396.48x = 2,656,088,303.62
  5. Step 5: Solve for x
    x = 2,656,088,303.62/57,396.48
  6. Step 6: Final answer
    x = 46,276.15

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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.