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Finding the Fourth Proportional to 34,491.95, 51,701.12 and 19,668.95

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Solution

The fourth proportional to 34,491.95, 51,701.12 and 19,668.95 is: 29,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,491.95 : 51,701.12 = 19,668.95 : x
  2. Step 2: Convert to fraction form
    34,491.95/51,701.12 = 19,668.95/x
  3. Step 3: Cross multiply
    34,491.95x = 51,701.12 × 19,668.95
  4. Step 4: Simplify right side
    34,491.95x = 1,016,906,775.13
  5. Step 5: Solve for x
    x = 1,016,906,775.13/34,491.95
  6. Step 6: Final answer
    x = 29,482.44

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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.