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Finding the Fourth Proportional to 45,908.40, 68,862.60 and 16,359.60

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Solution

The fourth proportional to 45,908.40, 68,862.60 and 16,359.60 is: 24,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.40 : 68,862.60 = 16,359.60 : x
  2. Step 2: Convert to fraction form
    45,908.40/68,862.60 = 16,359.60/x
  3. Step 3: Cross multiply
    45,908.40x = 68,862.60 × 16,359.60
  4. Step 4: Simplify right side
    45,908.40x = 1,126,564,590.96
  5. Step 5: Solve for x
    x = 1,126,564,590.96/45,908.40
  6. Step 6: Final answer
    x = 24,539.40

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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.