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Finding the Fourth Proportional to 29,354.73, 40,509.09 and 15,926.01

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Solution

The fourth proportional to 29,354.73, 40,509.09 and 15,926.01 is: 21,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,354.73 : 40,509.09 = 15,926.01 : x
  2. Step 2: Convert to fraction form
    29,354.73/40,509.09 = 15,926.01/x
  3. Step 3: Cross multiply
    29,354.73x = 40,509.09 × 15,926.01
  4. Step 4: Simplify right side
    29,354.73x = 645,148,172.43
  5. Step 5: Solve for x
    x = 645,148,172.43/29,354.73
  6. Step 6: Final answer
    x = 21,977.66

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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.