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Finding the Fourth Proportional to 21,535.89, 32,300.19 and 5,953.56

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Solution

The fourth proportional to 21,535.89, 32,300.19 and 5,953.56 is: 8,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.89 : 32,300.19 = 5,953.56 : x
  2. Step 2: Convert to fraction form
    21,535.89/32,300.19 = 5,953.56/x
  3. Step 3: Cross multiply
    21,535.89x = 32,300.19 × 5,953.56
  4. Step 4: Simplify right side
    21,535.89x = 192,301,119.18
  5. Step 5: Solve for x
    x = 192,301,119.18/21,535.89
  6. Step 6: Final answer
    x = 8,929.33

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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.