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Finding the Fourth Proportional to 54,636.64, 81,774.52 and 38,595

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Solution

The fourth proportional to 54,636.64, 81,774.52 and 38,595 is: 57,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,636.64 : 81,774.52 = 38,595 : x
  2. Step 2: Convert to fraction form
    54,636.64/81,774.52 = 38,595/x
  3. Step 3: Cross multiply
    54,636.64x = 81,774.52 × 38,595
  4. Step 4: Simplify right side
    54,636.64x = 3,156,087,599.40
  5. Step 5: Solve for x
    x = 3,156,087,599.40/54,636.64
  6. Step 6: Final answer
    x = 57,765.04

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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.