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Finding the Fourth Proportional to 48,970.40, 73,532.40 and 33,456.80

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Solution

The fourth proportional to 48,970.40, 73,532.40 and 33,456.80 is: 50,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,970.40 : 73,532.40 = 33,456.80 : x
  2. Step 2: Convert to fraction form
    48,970.40/73,532.40 = 33,456.80/x
  3. Step 3: Cross multiply
    48,970.40x = 73,532.40 × 33,456.80
  4. Step 4: Simplify right side
    48,970.40x = 2,460,158,800.32
  5. Step 5: Solve for x
    x = 2,460,158,800.32/48,970.40
  6. Step 6: Final answer
    x = 50,237.67

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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.