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Finding the Fourth Proportional to 29,203.50, 40,308.03 and 16,635.66

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Solution

The fourth proportional to 29,203.50, 40,308.03 and 16,635.66 is: 22,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.50 : 40,308.03 = 16,635.66 : x
  2. Step 2: Convert to fraction form
    29,203.50/40,308.03 = 16,635.66/x
  3. Step 3: Cross multiply
    29,203.50x = 40,308.03 × 16,635.66
  4. Step 4: Simplify right side
    29,203.50x = 670,550,682.35
  5. Step 5: Solve for x
    x = 670,550,682.35/29,203.50
  6. Step 6: Final answer
    x = 22,961.31

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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.