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Finding the Fourth Proportional to 57,395.55, 79,201.74 and 35,894.97

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Solution

The fourth proportional to 57,395.55, 79,201.74 and 35,894.97 is: 49,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,395.55 : 79,201.74 = 35,894.97 : x
  2. Step 2: Convert to fraction form
    57,395.55/79,201.74 = 35,894.97/x
  3. Step 3: Cross multiply
    57,395.55x = 79,201.74 × 35,894.97
  4. Step 4: Simplify right side
    57,395.55x = 2,842,944,081.25
  5. Step 5: Solve for x
    x = 2,842,944,081.25/57,395.55
  6. Step 6: Final answer
    x = 49,532.48

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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.