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Finding the Fourth Proportional to 58,715.60, 87,962.67 and 45,503.37

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Solution

The fourth proportional to 58,715.60, 87,962.67 and 45,503.37 is: 68,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,715.60 : 87,962.67 = 45,503.37 : x
  2. Step 2: Convert to fraction form
    58,715.60/87,962.67 = 45,503.37/x
  3. Step 3: Cross multiply
    58,715.60x = 87,962.67 × 45,503.37
  4. Step 4: Simplify right side
    58,715.60x = 4,002,597,919.20
  5. Step 5: Solve for x
    x = 4,002,597,919.20/58,715.60
  6. Step 6: Final answer
    x = 68,169.25

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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.