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Finding the Fourth Proportional to 57,417.35, 79,213.28 and 33,213.87

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Solution

The fourth proportional to 57,417.35, 79,213.28 and 33,213.87 is: 45,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,417.35 : 79,213.28 = 33,213.87 : x
  2. Step 2: Convert to fraction form
    57,417.35/79,213.28 = 33,213.87/x
  3. Step 3: Cross multiply
    57,417.35x = 79,213.28 × 33,213.87
  4. Step 4: Simplify right side
    57,417.35x = 2,630,979,418.12
  5. Step 5: Solve for x
    x = 2,630,979,418.12/57,417.35
  6. Step 6: Final answer
    x = 45,822.03

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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.