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Finding the Fourth Proportional to 56,441.69, 84,667.15 and 28,347.30

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Solution

The fourth proportional to 56,441.69, 84,667.15 and 28,347.30 is: 42,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,441.69 : 84,667.15 = 28,347.30 : x
  2. Step 2: Convert to fraction form
    56,441.69/84,667.15 = 28,347.30/x
  3. Step 3: Cross multiply
    56,441.69x = 84,667.15 × 28,347.30
  4. Step 4: Simplify right side
    56,441.69x = 2,400,085,101.20
  5. Step 5: Solve for x
    x = 2,400,085,101.20/56,441.69
  6. Step 6: Final answer
    x = 42,523.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.