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Finding the Fourth Proportional to 57,597.12, 79,483.92 and 33,722.64

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Solution

The fourth proportional to 57,597.12, 79,483.92 and 33,722.64 is: 46,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,597.12 : 79,483.92 = 33,722.64 : x
  2. Step 2: Convert to fraction form
    57,597.12/79,483.92 = 33,722.64/x
  3. Step 3: Cross multiply
    57,597.12x = 79,483.92 × 33,722.64
  4. Step 4: Simplify right side
    57,597.12x = 2,680,407,619.95
  5. Step 5: Solve for x
    x = 2,680,407,619.95/57,597.12
  6. Step 6: Final answer
    x = 46,537.18

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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.