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Finding the Fourth Proportional to 45,466.40, 68,084.40 and 36,250.40

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Solution

The fourth proportional to 45,466.40, 68,084.40 and 36,250.40 is: 54,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,466.40 : 68,084.40 = 36,250.40 : x
  2. Step 2: Convert to fraction form
    45,466.40/68,084.40 = 36,250.40/x
  3. Step 3: Cross multiply
    45,466.40x = 68,084.40 × 36,250.40
  4. Step 4: Simplify right side
    45,466.40x = 2,468,086,733.76
  5. Step 5: Solve for x
    x = 2,468,086,733.76/45,466.40
  6. Step 6: Final answer
    x = 54,283.75

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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.