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Finding the Fourth Proportional to 28,366.53, 42,537.22 and 10,824.09

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Solution

The fourth proportional to 28,366.53, 42,537.22 and 10,824.09 is: 16,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.53 : 42,537.22 = 10,824.09 : x
  2. Step 2: Convert to fraction form
    28,366.53/42,537.22 = 10,824.09/x
  3. Step 3: Cross multiply
    28,366.53x = 42,537.22 × 10,824.09
  4. Step 4: Simplify right side
    28,366.53x = 460,426,697.63
  5. Step 5: Solve for x
    x = 460,426,697.63/28,366.53
  6. Step 6: Final answer
    x = 16,231.34

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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.