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Finding the Fourth Proportional to 45,685.60, 68,564.94 and 44,227.60

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Solution

The fourth proportional to 45,685.60, 68,564.94 and 44,227.60 is: 66,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.60 : 68,564.94 = 44,227.60 : x
  2. Step 2: Convert to fraction form
    45,685.60/68,564.94 = 44,227.60/x
  3. Step 3: Cross multiply
    45,685.60x = 68,564.94 × 44,227.60
  4. Step 4: Simplify right side
    45,685.60x = 3,032,462,740.34
  5. Step 5: Solve for x
    x = 3,032,462,740.34/45,685.60
  6. Step 6: Final answer
    x = 66,376.77

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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.