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Finding the Fourth Proportional to 57,750.70, 79,697.28 and 33,894.58

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Solution

The fourth proportional to 57,750.70, 79,697.28 and 33,894.58 is: 46,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.70 : 79,697.28 = 33,894.58 : x
  2. Step 2: Convert to fraction form
    57,750.70/79,697.28 = 33,894.58/x
  3. Step 3: Cross multiply
    57,750.70x = 79,697.28 × 33,894.58
  4. Step 4: Simplify right side
    57,750.70x = 2,701,305,832.74
  5. Step 5: Solve for x
    x = 2,701,305,832.74/57,750.70
  6. Step 6: Final answer
    x = 46,775.29

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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.