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Finding the Fourth Proportional to 57,659.98, 79,568.97 and 33,802.55

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Solution

The fourth proportional to 57,659.98, 79,568.97 and 33,802.55 is: 46,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,659.98 : 79,568.97 = 33,802.55 : x
  2. Step 2: Convert to fraction form
    57,659.98/79,568.97 = 33,802.55/x
  3. Step 3: Cross multiply
    57,659.98x = 79,568.97 × 33,802.55
  4. Step 4: Simplify right side
    57,659.98x = 2,689,634,086.87
  5. Step 5: Solve for x
    x = 2,689,634,086.87/57,659.98
  6. Step 6: Final answer
    x = 46,646.46

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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.