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Finding the Fourth Proportional to 56,770.69, 85,154.41 and 17,322.07

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Solution

The fourth proportional to 56,770.69, 85,154.41 and 17,322.07 is: 25,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.69 : 85,154.41 = 17,322.07 : x
  2. Step 2: Convert to fraction form
    56,770.69/85,154.41 = 17,322.07/x
  3. Step 3: Cross multiply
    56,770.69x = 85,154.41 × 17,322.07
  4. Step 4: Simplify right side
    56,770.69x = 1,475,050,394.64
  5. Step 5: Solve for x
    x = 1,475,050,394.64/56,770.69
  6. Step 6: Final answer
    x = 25,982.61

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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.