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Finding the Fourth Proportional to 28,916.48, 43,375.03 and 10,193.03

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Solution

The fourth proportional to 28,916.48, 43,375.03 and 10,193.03 is: 15,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.48 : 43,375.03 = 10,193.03 : x
  2. Step 2: Convert to fraction form
    28,916.48/43,375.03 = 10,193.03/x
  3. Step 3: Cross multiply
    28,916.48x = 43,375.03 × 10,193.03
  4. Step 4: Simplify right side
    28,916.48x = 442,122,739.68
  5. Step 5: Solve for x
    x = 442,122,739.68/28,916.48
  6. Step 6: Final answer
    x = 15,289.64

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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.