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Finding the Fourth Proportional to 12,673.89, 19,001.84 and 3,903.93

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Solution

The fourth proportional to 12,673.89, 19,001.84 and 3,903.93 is: 5,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.89 : 19,001.84 = 3,903.93 : x
  2. Step 2: Convert to fraction form
    12,673.89/19,001.84 = 3,903.93/x
  3. Step 3: Cross multiply
    12,673.89x = 19,001.84 × 3,903.93
  4. Step 4: Simplify right side
    12,673.89x = 74,181,833.71
  5. Step 5: Solve for x
    x = 74,181,833.71/12,673.89
  6. Step 6: Final answer
    x = 5,853.12

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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.