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Finding the Fourth Proportional to 57,465.86, 79,284.42 and 34,797.60

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Solution

The fourth proportional to 57,465.86, 79,284.42 and 34,797.60 is: 48,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,465.86 : 79,284.42 = 34,797.60 : x
  2. Step 2: Convert to fraction form
    57,465.86/79,284.42 = 34,797.60/x
  3. Step 3: Cross multiply
    57,465.86x = 79,284.42 × 34,797.60
  4. Step 4: Simplify right side
    57,465.86x = 2,758,907,533.39
  5. Step 5: Solve for x
    x = 2,758,907,533.39/57,465.86
  6. Step 6: Final answer
    x = 48,009.51

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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.