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Finding the Fourth Proportional to 23,125.86, 34,692.40 and 7,539.86

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Solution

The fourth proportional to 23,125.86, 34,692.40 and 7,539.86 is: 11,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.86 : 34,692.40 = 7,539.86 : x
  2. Step 2: Convert to fraction form
    23,125.86/34,692.40 = 7,539.86/x
  3. Step 3: Cross multiply
    23,125.86x = 34,692.40 × 7,539.86
  4. Step 4: Simplify right side
    23,125.86x = 261,575,839.06
  5. Step 5: Solve for x
    x = 261,575,839.06/23,125.86
  6. Step 6: Final answer
    x = 11,310.97

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1.5x scale

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.