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Finding the Fourth Proportional to 45,766.60, 68,653.02 and 14,179.45

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Solution

The fourth proportional to 45,766.60, 68,653.02 and 14,179.45 is: 21,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,766.60 : 68,653.02 = 14,179.45 : x
  2. Step 2: Convert to fraction form
    45,766.60/68,653.02 = 14,179.45/x
  3. Step 3: Cross multiply
    45,766.60x = 68,653.02 × 14,179.45
  4. Step 4: Simplify right side
    45,766.60x = 973,462,064.44
  5. Step 5: Solve for x
    x = 973,462,064.44/45,766.60
  6. Step 6: Final answer
    x = 21,270.14

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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.