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Finding the Fourth Proportional to 45,984.60, 68,960.70 and 16,403.40

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Solution

The fourth proportional to 45,984.60, 68,960.70 and 16,403.40 is: 24,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,984.60 : 68,960.70 = 16,403.40 : x
  2. Step 2: Convert to fraction form
    45,984.60/68,960.70 = 16,403.40/x
  3. Step 3: Cross multiply
    45,984.60x = 68,960.70 × 16,403.40
  4. Step 4: Simplify right side
    45,984.60x = 1,131,189,946.38
  5. Step 5: Solve for x
    x = 1,131,189,946.38/45,984.60
  6. Step 6: Final answer
    x = 24,599.32

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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.