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Finding the Fourth Proportional to 13,950.92, 19,252.95 and 7,663.43

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Solution

The fourth proportional to 13,950.92, 19,252.95 and 7,663.43 is: 10,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.92 : 19,252.95 = 7,663.43 : x
  2. Step 2: Convert to fraction form
    13,950.92/19,252.95 = 7,663.43/x
  3. Step 3: Cross multiply
    13,950.92x = 19,252.95 × 7,663.43
  4. Step 4: Simplify right side
    13,950.92x = 147,543,634.62
  5. Step 5: Solve for x
    x = 147,543,634.62/13,950.92
  6. Step 6: Final answer
    x = 10,575.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.