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Finding the Fourth Proportional to 57,659.64, 79,568.49 and 33,802.20

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Solution

The fourth proportional to 57,659.64, 79,568.49 and 33,802.20 is: 46,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,659.64 : 79,568.49 = 33,802.20 : x
  2. Step 2: Convert to fraction form
    57,659.64/79,568.49 = 33,802.20/x
  3. Step 3: Cross multiply
    57,659.64x = 79,568.49 × 33,802.20
  4. Step 4: Simplify right side
    57,659.64x = 2,689,590,012.68
  5. Step 5: Solve for x
    x = 2,689,590,012.68/57,659.64
  6. Step 6: Final answer
    x = 46,645.97

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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.