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Finding the Fourth Proportional to 56,907.82, 85,405.29 and 25,764.94

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Solution

The fourth proportional to 56,907.82, 85,405.29 and 25,764.94 is: 38,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.82 : 85,405.29 = 25,764.94 : x
  2. Step 2: Convert to fraction form
    56,907.82/85,405.29 = 25,764.94/x
  3. Step 3: Cross multiply
    56,907.82x = 85,405.29 × 25,764.94
  4. Step 4: Simplify right side
    56,907.82x = 2,200,462,172.53
  5. Step 5: Solve for x
    x = 2,200,462,172.53/56,907.82
  6. Step 6: Final answer
    x = 38,667.13

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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.