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Finding the Fourth Proportional to 29,259.97, 43,868.99 and 12,394.11

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Solution

The fourth proportional to 29,259.97, 43,868.99 and 12,394.11 is: 18,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.97 : 43,868.99 = 12,394.11 : x
  2. Step 2: Convert to fraction form
    29,259.97/43,868.99 = 12,394.11/x
  3. Step 3: Cross multiply
    29,259.97x = 43,868.99 × 12,394.11
  4. Step 4: Simplify right side
    29,259.97x = 543,717,283.14
  5. Step 5: Solve for x
    x = 543,717,283.14/29,259.97
  6. Step 6: Final answer
    x = 18,582.29

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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.