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Finding the Fourth Proportional to 52,759.68, 79,168.32 and 21,592.32

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Solution

The fourth proportional to 52,759.68, 79,168.32 and 21,592.32 is: 32,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.68 : 79,168.32 = 21,592.32 : x
  2. Step 2: Convert to fraction form
    52,759.68/79,168.32 = 21,592.32/x
  3. Step 3: Cross multiply
    52,759.68x = 79,168.32 × 21,592.32
  4. Step 4: Simplify right side
    52,759.68x = 1,709,427,699.30
  5. Step 5: Solve for x
    x = 1,709,427,699.30/52,759.68
  6. Step 6: Final answer
    x = 32,400.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.