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Finding the Fourth Proportional to 40,644.70, 60,968.76 and 14,349.58

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Solution

The fourth proportional to 40,644.70, 60,968.76 and 14,349.58 is: 21,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.70 : 60,968.76 = 14,349.58 : x
  2. Step 2: Convert to fraction form
    40,644.70/60,968.76 = 14,349.58/x
  3. Step 3: Cross multiply
    40,644.70x = 60,968.76 × 14,349.58
  4. Step 4: Simplify right side
    40,644.70x = 874,876,099.12
  5. Step 5: Solve for x
    x = 874,876,099.12/40,644.70
  6. Step 6: Final answer
    x = 21,524.97

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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.