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Finding the Fourth Proportional to 25,967.50, 35,835.15 and 14,791.66

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Solution

The fourth proportional to 25,967.50, 35,835.15 and 14,791.66 is: 20,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,967.50 : 35,835.15 = 14,791.66 : x
  2. Step 2: Convert to fraction form
    25,967.50/35,835.15 = 14,791.66/x
  3. Step 3: Cross multiply
    25,967.50x = 35,835.15 × 14,791.66
  4. Step 4: Simplify right side
    25,967.50x = 530,061,354.85
  5. Step 5: Solve for x
    x = 530,061,354.85/25,967.50
  6. Step 6: Final answer
    x = 20,412.49

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1.5x scale

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.