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Finding the Fourth Proportional to 6,634.49, 9,948.30 and 1,953.89

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Solution

The fourth proportional to 6,634.49, 9,948.30 and 1,953.89 is: 2,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.49 : 9,948.30 = 1,953.89 : x
  2. Step 2: Convert to fraction form
    6,634.49/9,948.30 = 1,953.89/x
  3. Step 3: Cross multiply
    6,634.49x = 9,948.30 × 1,953.89
  4. Step 4: Simplify right side
    6,634.49x = 19,437,883.89
  5. Step 5: Solve for x
    x = 19,437,883.89/6,634.49
  6. Step 6: Final answer
    x = 2,929.82

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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.