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Finding the Fourth Proportional to 57,970.44, 79,820.08 and 45,274.92

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Solution

The fourth proportional to 57,970.44, 79,820.08 and 45,274.92 is: 62,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970.44 : 79,820.08 = 45,274.92 : x
  2. Step 2: Convert to fraction form
    57,970.44/79,820.08 = 45,274.92/x
  3. Step 3: Cross multiply
    57,970.44x = 79,820.08 × 45,274.92
  4. Step 4: Simplify right side
    57,970.44x = 3,613,847,736.39
  5. Step 5: Solve for x
    x = 3,613,847,736.39/57,970.44
  6. Step 6: Final answer
    x = 62,339.49

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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.