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Finding the Fourth Proportional to 11,935.03, 17,875.29 and 5,699.42

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Solution

The fourth proportional to 11,935.03, 17,875.29 and 5,699.42 is: 8,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.03 : 17,875.29 = 5,699.42 : x
  2. Step 2: Convert to fraction form
    11,935.03/17,875.29 = 5,699.42/x
  3. Step 3: Cross multiply
    11,935.03x = 17,875.29 × 5,699.42
  4. Step 4: Simplify right side
    11,935.03x = 101,878,695.96
  5. Step 5: Solve for x
    x = 101,878,695.96/11,935.03
  6. Step 6: Final answer
    x = 8,536.11

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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.