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Finding the Fourth Proportional to 52,762.42, 79,114.93 and 19,023.85

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Solution

The fourth proportional to 52,762.42, 79,114.93 and 19,023.85 is: 28,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,762.42 : 79,114.93 = 19,023.85 : x
  2. Step 2: Convert to fraction form
    52,762.42/79,114.93 = 19,023.85/x
  3. Step 3: Cross multiply
    52,762.42x = 79,114.93 × 19,023.85
  4. Step 4: Simplify right side
    52,762.42x = 1,505,070,315.73
  5. Step 5: Solve for x
    x = 1,505,070,315.73/52,762.42
  6. Step 6: Final answer
    x = 28,525.42

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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.