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Finding the Fourth Proportional to 29,365.76, 40,523.64 and 16,619.36

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Solution

The fourth proportional to 29,365.76, 40,523.64 and 16,619.36 is: 22,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.76 : 40,523.64 = 16,619.36 : x
  2. Step 2: Convert to fraction form
    29,365.76/40,523.64 = 16,619.36/x
  3. Step 3: Cross multiply
    29,365.76x = 40,523.64 × 16,619.36
  4. Step 4: Simplify right side
    29,365.76x = 673,476,961.67
  5. Step 5: Solve for x
    x = 673,476,961.67/29,365.76
  6. Step 6: Final answer
    x = 22,934.09

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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.