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Finding the Fourth Proportional to 29,141.31, 40,214.95 and 16,394.50

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Solution

The fourth proportional to 29,141.31, 40,214.95 and 16,394.50 is: 22,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.31 : 40,214.95 = 16,394.50 : x
  2. Step 2: Convert to fraction form
    29,141.31/40,214.95 = 16,394.50/x
  3. Step 3: Cross multiply
    29,141.31x = 40,214.95 × 16,394.50
  4. Step 4: Simplify right side
    29,141.31x = 659,304,007.06
  5. Step 5: Solve for x
    x = 659,304,007.06/29,141.31
  6. Step 6: Final answer
    x = 22,624.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.