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Finding the Fourth Proportional to 57,418.35, 79,214.65 and 33,214.87

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Solution

The fourth proportional to 57,418.35, 79,214.65 and 33,214.87 is: 45,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.35 : 79,214.65 = 33,214.87 : x
  2. Step 2: Convert to fraction form
    57,418.35/79,214.65 = 33,214.87/x
  3. Step 3: Cross multiply
    57,418.35x = 79,214.65 × 33,214.87
  4. Step 4: Simplify right side
    57,418.35x = 2,631,104,301.85
  5. Step 5: Solve for x
    x = 2,631,104,301.85/57,418.35
  6. Step 6: Final answer
    x = 45,823.40

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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.