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Finding the Fourth Proportional to 52,759.71, 72,815.36 and 30,093.51

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Solution

The fourth proportional to 52,759.71, 72,815.36 and 30,093.51 is: 41,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.71 : 72,815.36 = 30,093.51 : x
  2. Step 2: Convert to fraction form
    52,759.71/72,815.36 = 30,093.51/x
  3. Step 3: Cross multiply
    52,759.71x = 72,815.36 × 30,093.51
  4. Step 4: Simplify right side
    52,759.71x = 2,191,269,613.85
  5. Step 5: Solve for x
    x = 2,191,269,613.85/52,759.71
  6. Step 6: Final answer
    x = 41,533.01

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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.