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Finding the Fourth Proportional to 21,477.60, 32,212.62 and 5,893.92

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Solution

The fourth proportional to 21,477.60, 32,212.62 and 5,893.92 is: 8,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.60 : 32,212.62 = 5,893.92 : x
  2. Step 2: Convert to fraction form
    21,477.60/32,212.62 = 5,893.92/x
  3. Step 3: Cross multiply
    21,477.60x = 32,212.62 × 5,893.92
  4. Step 4: Simplify right side
    21,477.60x = 189,858,605.27
  5. Step 5: Solve for x
    x = 189,858,605.27/21,477.60
  6. Step 6: Final answer
    x = 8,839.84

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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.