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Finding the Fourth Proportional to 45,326.97, 67,971.74 and 19,682.97

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Solution

The fourth proportional to 45,326.97, 67,971.74 and 19,682.97 is: 29,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.97 : 67,971.74 = 19,682.97 : x
  2. Step 2: Convert to fraction form
    45,326.97/67,971.74 = 19,682.97/x
  3. Step 3: Cross multiply
    45,326.97x = 67,971.74 × 19,682.97
  4. Step 4: Simplify right side
    45,326.97x = 1,337,885,393.64
  5. Step 5: Solve for x
    x = 1,337,885,393.64/45,326.97
  6. Step 6: Final answer
    x = 29,516.32

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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.