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Finding the Fourth Proportional to 34,605.98, 51,884.06 and 20,532.63

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Solution

The fourth proportional to 34,605.98, 51,884.06 and 20,532.63 is: 30,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.98 : 51,884.06 = 20,532.63 : x
  2. Step 2: Convert to fraction form
    34,605.98/51,884.06 = 20,532.63/x
  3. Step 3: Cross multiply
    34,605.98x = 51,884.06 × 20,532.63
  4. Step 4: Simplify right side
    34,605.98x = 1,065,316,104.21
  5. Step 5: Solve for x
    x = 1,065,316,104.21/34,605.98
  6. Step 6: Final answer
    x = 30,784.17

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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.