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Finding the Fourth Proportional to 28,699.44, 43,053.48 and 10,230

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Solution

The fourth proportional to 28,699.44, 43,053.48 and 10,230 is: 15,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.44 : 43,053.48 = 10,230 : x
  2. Step 2: Convert to fraction form
    28,699.44/43,053.48 = 10,230/x
  3. Step 3: Cross multiply
    28,699.44x = 43,053.48 × 10,230
  4. Step 4: Simplify right side
    28,699.44x = 440,437,100.40
  5. Step 5: Solve for x
    x = 440,437,100.40/28,699.44
  6. Step 6: Final answer
    x = 15,346.54

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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.