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Finding the Fourth Proportional to 29,394.37, 40,564.53 and 15,965.89

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Solution

The fourth proportional to 29,394.37, 40,564.53 and 15,965.89 is: 22,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.37 : 40,564.53 = 15,965.89 : x
  2. Step 2: Convert to fraction form
    29,394.37/40,564.53 = 15,965.89/x
  3. Step 3: Cross multiply
    29,394.37x = 40,564.53 × 15,965.89
  4. Step 4: Simplify right side
    29,394.37x = 647,648,722.47
  5. Step 5: Solve for x
    x = 647,648,722.47/29,394.37
  6. Step 6: Final answer
    x = 22,033.09

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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.