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Finding the Fourth Proportional to 71,533.62, 98,711.78 and 44,674.52

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Solution

The fourth proportional to 71,533.62, 98,711.78 and 44,674.52 is: 61,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533.62 : 98,711.78 = 44,674.52 : x
  2. Step 2: Convert to fraction form
    71,533.62/98,711.78 = 44,674.52/x
  3. Step 3: Cross multiply
    71,533.62x = 98,711.78 × 44,674.52
  4. Step 4: Simplify right side
    71,533.62x = 4,409,901,389.85
  5. Step 5: Solve for x
    x = 4,409,901,389.85/71,533.62
  6. Step 6: Final answer
    x = 61,647.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.