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Finding the Fourth Proportional to 19,691.01, 29,410.99 and 17,814.02

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Solution

The fourth proportional to 19,691.01, 29,410.99 and 17,814.02 is: 26,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.01 : 29,410.99 = 17,814.02 : x
  2. Step 2: Convert to fraction form
    19,691.01/29,410.99 = 17,814.02/x
  3. Step 3: Cross multiply
    19,691.01x = 29,410.99 × 17,814.02
  4. Step 4: Simplify right side
    19,691.01x = 523,927,964.08
  5. Step 5: Solve for x
    x = 523,927,964.08/19,691.01
  6. Step 6: Final answer
    x = 26,607.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.