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Finding the Fourth Proportional to 23,691.59, 32,692.92 and 13,081.45

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Solution

The fourth proportional to 23,691.59, 32,692.92 and 13,081.45 is: 18,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.59 : 32,692.92 = 13,081.45 : x
  2. Step 2: Convert to fraction form
    23,691.59/32,692.92 = 13,081.45/x
  3. Step 3: Cross multiply
    23,691.59x = 32,692.92 × 13,081.45
  4. Step 4: Simplify right side
    23,691.59x = 427,670,728.85
  5. Step 5: Solve for x
    x = 427,670,728.85/23,691.59
  6. Step 6: Final answer
    x = 18,051.59

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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.