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Finding the Fourth Proportional to 45,992.93, 68,989.39 and 14,405.46

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Solution

The fourth proportional to 45,992.93, 68,989.39 and 14,405.46 is: 21,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,992.93 : 68,989.39 = 14,405.46 : x
  2. Step 2: Convert to fraction form
    45,992.93/68,989.39 = 14,405.46/x
  3. Step 3: Cross multiply
    45,992.93x = 68,989.39 × 14,405.46
  4. Step 4: Simplify right side
    45,992.93x = 993,823,603.35
  5. Step 5: Solve for x
    x = 993,823,603.35/45,992.93
  6. Step 6: Final answer
    x = 21,608.18

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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.