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Finding the Fourth Proportional to 62,624.70, 93,946.77 and 21,068.46

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Solution

The fourth proportional to 62,624.70, 93,946.77 and 21,068.46 is: 31,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,624.70 : 93,946.77 = 21,068.46 : x
  2. Step 2: Convert to fraction form
    62,624.70/93,946.77 = 21,068.46/x
  3. Step 3: Cross multiply
    62,624.70x = 93,946.77 × 21,068.46
  4. Step 4: Simplify right side
    62,624.70x = 1,979,313,765.87
  5. Step 5: Solve for x
    x = 1,979,313,765.87/62,624.70
  6. Step 6: Final answer
    x = 31,605.96

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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.