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Finding the Fourth Proportional to 21,367.08, 32,056.11 and 15,370.08

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Solution

The fourth proportional to 21,367.08, 32,056.11 and 15,370.08 is: 23,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.08 : 32,056.11 = 15,370.08 : x
  2. Step 2: Convert to fraction form
    21,367.08/32,056.11 = 15,370.08/x
  3. Step 3: Cross multiply
    21,367.08x = 32,056.11 × 15,370.08
  4. Step 4: Simplify right side
    21,367.08x = 492,704,975.19
  5. Step 5: Solve for x
    x = 492,704,975.19/21,367.08
  6. Step 6: Final answer
    x = 23,059.07

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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.