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Finding the Fourth Proportional to 45,801.62, 68,712.23 and 14,211.00

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Solution

The fourth proportional to 45,801.62, 68,712.23 and 14,211.00 is: 21,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.62 : 68,712.23 = 14,211.00 : x
  2. Step 2: Convert to fraction form
    45,801.62/68,712.23 = 14,211.00/x
  3. Step 3: Cross multiply
    45,801.62x = 68,712.23 × 14,211.00
  4. Step 4: Simplify right side
    45,801.62x = 976,469,156.97
  5. Step 5: Solve for x
    x = 976,469,156.97/45,801.62
  6. Step 6: Final answer
    x = 21,319.54

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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.