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Finding the Fourth Proportional to 40,392.66, 60,589.43 and 14,097.50

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Solution

The fourth proportional to 40,392.66, 60,589.43 and 14,097.50 is: 21,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.66 : 60,589.43 = 14,097.50 : x
  2. Step 2: Convert to fraction form
    40,392.66/60,589.43 = 14,097.50/x
  3. Step 3: Cross multiply
    40,392.66x = 60,589.43 × 14,097.50
  4. Step 4: Simplify right side
    40,392.66x = 854,159,489.43
  5. Step 5: Solve for x
    x = 854,159,489.43/40,392.66
  6. Step 6: Final answer
    x = 21,146.40

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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.