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Finding the Fourth Proportional to 29,931.35, 41,305.02 and 16,319.34

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Solution

The fourth proportional to 29,931.35, 41,305.02 and 16,319.34 is: 22,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.35 : 41,305.02 = 16,319.34 : x
  2. Step 2: Convert to fraction form
    29,931.35/41,305.02 = 16,319.34/x
  3. Step 3: Cross multiply
    29,931.35x = 41,305.02 × 16,319.34
  4. Step 4: Simplify right side
    29,931.35x = 674,070,665.09
  5. Step 5: Solve for x
    x = 674,070,665.09/29,931.35
  6. Step 6: Final answer
    x = 22,520.56

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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.