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Finding the Fourth Proportional to 59,628.40, 89,453.40 and 29,971.60

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Solution

The fourth proportional to 59,628.40, 89,453.40 and 29,971.60 is: 44,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,628.40 : 89,453.40 = 29,971.60 : x
  2. Step 2: Convert to fraction form
    59,628.40/89,453.40 = 29,971.60/x
  3. Step 3: Cross multiply
    59,628.40x = 89,453.40 × 29,971.60
  4. Step 4: Simplify right side
    59,628.40x = 2,681,061,523.44
  5. Step 5: Solve for x
    x = 2,681,061,523.44/59,628.40
  6. Step 6: Final answer
    x = 44,962.83

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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.