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Finding the Fourth Proportional to 19,526.88, 29,299.24 and 10,628.88

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Solution

The fourth proportional to 19,526.88, 29,299.24 and 10,628.88 is: 15,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.88 : 29,299.24 = 10,628.88 : x
  2. Step 2: Convert to fraction form
    19,526.88/29,299.24 = 10,628.88/x
  3. Step 3: Cross multiply
    19,526.88x = 29,299.24 × 10,628.88
  4. Step 4: Simplify right side
    19,526.88x = 311,417,932.98
  5. Step 5: Solve for x
    x = 311,417,932.98/19,526.88
  6. Step 6: Final answer
    x = 15,948.17

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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.