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Finding the Fourth Proportional to 54,672.35, 82,040.93 and 36,005.90

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Solution

The fourth proportional to 54,672.35, 82,040.93 and 36,005.90 is: 54,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.35 : 82,040.93 = 36,005.90 : x
  2. Step 2: Convert to fraction form
    54,672.35/82,040.93 = 36,005.90/x
  3. Step 3: Cross multiply
    54,672.35x = 82,040.93 × 36,005.90
  4. Step 4: Simplify right side
    54,672.35x = 2,953,957,341.46
  5. Step 5: Solve for x
    x = 2,953,957,341.46/54,672.35
  6. Step 6: Final answer
    x = 54,030.19

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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.