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Finding the Fourth Proportional to 40,805.67, 61,214.67 and 14,504.16

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Solution

The fourth proportional to 40,805.67, 61,214.67 and 14,504.16 is: 21,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,805.67 : 61,214.67 = 14,504.16 : x
  2. Step 2: Convert to fraction form
    40,805.67/61,214.67 = 14,504.16/x
  3. Step 3: Cross multiply
    40,805.67x = 61,214.67 × 14,504.16
  4. Step 4: Simplify right side
    40,805.67x = 887,867,368.03
  5. Step 5: Solve for x
    x = 887,867,368.03/40,805.67
  6. Step 6: Final answer
    x = 21,758.43

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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.