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Finding the Fourth Proportional to 28,796.55, 43,191.99 and 10,073.13

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Solution

The fourth proportional to 28,796.55, 43,191.99 and 10,073.13 is: 15,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.55 : 43,191.99 = 10,073.13 : x
  2. Step 2: Convert to fraction form
    28,796.55/43,191.99 = 10,073.13/x
  3. Step 3: Cross multiply
    28,796.55x = 43,191.99 × 10,073.13
  4. Step 4: Simplify right side
    28,796.55x = 435,078,530.23
  5. Step 5: Solve for x
    x = 435,078,530.23/28,796.55
  6. Step 6: Final answer
    x = 15,108.70

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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.