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Finding the Fourth Proportional to 38,751.25, 58,127.42 and 11,049.25

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Solution

The fourth proportional to 38,751.25, 58,127.42 and 11,049.25 is: 16,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.25 : 58,127.42 = 11,049.25 : x
  2. Step 2: Convert to fraction form
    38,751.25/58,127.42 = 11,049.25/x
  3. Step 3: Cross multiply
    38,751.25x = 58,127.42 × 11,049.25
  4. Step 4: Simplify right side
    38,751.25x = 642,264,340.19
  5. Step 5: Solve for x
    x = 642,264,340.19/38,751.25
  6. Step 6: Final answer
    x = 16,574.03

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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.