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Finding the Fourth Proportional to 21,389.09, 32,087.09 and 6,594.54

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Solution

The fourth proportional to 21,389.09, 32,087.09 and 6,594.54 is: 9,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.09 : 32,087.09 = 6,594.54 : x
  2. Step 2: Convert to fraction form
    21,389.09/32,087.09 = 6,594.54/x
  3. Step 3: Cross multiply
    21,389.09x = 32,087.09 × 6,594.54
  4. Step 4: Simplify right side
    21,389.09x = 211,599,565.52
  5. Step 5: Solve for x
    x = 211,599,565.52/21,389.09
  6. Step 6: Final answer
    x = 9,892.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.