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Finding the Fourth Proportional to 84,304.79, 126,465.70 and 27,376.31

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Solution

The fourth proportional to 84,304.79, 126,465.70 and 27,376.31 is: 41,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,304.79 : 126,465.70 = 27,376.31 : x
  2. Step 2: Convert to fraction form
    84,304.79/126,465.70 = 27,376.31/x
  3. Step 3: Cross multiply
    84,304.79x = 126,465.70 × 27,376.31
  4. Step 4: Simplify right side
    84,304.79x = 3,462,164,207.57
  5. Step 5: Solve for x
    x = 3,462,164,207.57/84,304.79
  6. Step 6: Final answer
    x = 41,067.23

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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.