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Finding the Fourth Proportional to 45,999.96, 68,999.93 and 14,835.21

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Solution

The fourth proportional to 45,999.96, 68,999.93 and 14,835.21 is: 22,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.96 : 68,999.93 = 14,835.21 : x
  2. Step 2: Convert to fraction form
    45,999.96/68,999.93 = 14,835.21/x
  3. Step 3: Cross multiply
    45,999.96x = 68,999.93 × 14,835.21
  4. Step 4: Simplify right side
    45,999.96x = 1,023,628,143.62
  5. Step 5: Solve for x
    x = 1,023,628,143.62/45,999.96
  6. Step 6: Final answer
    x = 22,252.81

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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.