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Finding the Fourth Proportional to 19,486.66, 29,233.05 and 6,335.96

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Solution

The fourth proportional to 19,486.66, 29,233.05 and 6,335.96 is: 9,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.66 : 29,233.05 = 6,335.96 : x
  2. Step 2: Convert to fraction form
    19,486.66/29,233.05 = 6,335.96/x
  3. Step 3: Cross multiply
    19,486.66x = 29,233.05 × 6,335.96
  4. Step 4: Simplify right side
    19,486.66x = 185,219,301.19
  5. Step 5: Solve for x
    x = 185,219,301.19/19,486.66
  6. Step 6: Final answer
    x = 9,504.93

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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.