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Finding the Fourth Proportional to 46,171.96, 69,203.24 and 21,190.96

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Solution

The fourth proportional to 46,171.96, 69,203.24 and 21,190.96 is: 31,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,171.96 : 69,203.24 = 21,190.96 : x
  2. Step 2: Convert to fraction form
    46,171.96/69,203.24 = 21,190.96/x
  3. Step 3: Cross multiply
    46,171.96x = 69,203.24 × 21,190.96
  4. Step 4: Simplify right side
    46,171.96x = 1,466,483,090.71
  5. Step 5: Solve for x
    x = 1,466,483,090.71/46,171.96
  6. Step 6: Final answer
    x = 31,761.34

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1.5x scale

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.