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Finding the Fourth Proportional to 23,999.55, 35,999.33 and 12,305.31

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Solution

The fourth proportional to 23,999.55, 35,999.33 and 12,305.31 is: 18,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.55 : 35,999.33 = 12,305.31 : x
  2. Step 2: Convert to fraction form
    23,999.55/35,999.33 = 12,305.31/x
  3. Step 3: Cross multiply
    23,999.55x = 35,999.33 × 12,305.31
  4. Step 4: Simplify right side
    23,999.55x = 442,982,853.92
  5. Step 5: Solve for x
    x = 442,982,853.92/23,999.55
  6. Step 6: Final answer
    x = 18,457.97

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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.