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Finding the Fourth Proportional to 61,550.64, 92,327.90 and 19,431.12

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Solution

The fourth proportional to 61,550.64, 92,327.90 and 19,431.12 is: 29,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,550.64 : 92,327.90 = 19,431.12 : x
  2. Step 2: Convert to fraction form
    61,550.64/92,327.90 = 19,431.12/x
  3. Step 3: Cross multiply
    61,550.64x = 92,327.90 × 19,431.12
  4. Step 4: Simplify right side
    61,550.64x = 1,794,034,504.25
  5. Step 5: Solve for x
    x = 1,794,034,504.25/61,550.64
  6. Step 6: Final answer
    x = 29,147.29

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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.