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Finding the Fourth Proportional to 46,279.98, 69,390.81 and 39,262.46

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Solution

The fourth proportional to 46,279.98, 69,390.81 and 39,262.46 is: 58,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,279.98 : 69,390.81 = 39,262.46 : x
  2. Step 2: Convert to fraction form
    46,279.98/69,390.81 = 39,262.46/x
  3. Step 3: Cross multiply
    46,279.98x = 69,390.81 × 39,262.46
  4. Step 4: Simplify right side
    46,279.98x = 2,724,453,555.04
  5. Step 5: Solve for x
    x = 2,724,453,555.04/46,279.98
  6. Step 6: Final answer
    x = 58,868.94

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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.