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Finding the Fourth Proportional to 21,377.91, 32,066.87 and 5,795.13

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Solution

The fourth proportional to 21,377.91, 32,066.87 and 5,795.13 is: 8,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.91 : 32,066.87 = 5,795.13 : x
  2. Step 2: Convert to fraction form
    21,377.91/32,066.87 = 5,795.13/x
  3. Step 3: Cross multiply
    21,377.91x = 32,066.87 × 5,795.13
  4. Step 4: Simplify right side
    21,377.91x = 185,831,651.37
  5. Step 5: Solve for x
    x = 185,831,651.37/21,377.91
  6. Step 6: Final answer
    x = 8,692.70

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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.