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Finding the Fourth Proportional to 34,335.67, 51,419.67 and 21,169.93

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Solution

The fourth proportional to 34,335.67, 51,419.67 and 21,169.93 is: 31,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,335.67 : 51,419.67 = 21,169.93 : x
  2. Step 2: Convert to fraction form
    34,335.67/51,419.67 = 21,169.93/x
  3. Step 3: Cross multiply
    34,335.67x = 51,419.67 × 21,169.93
  4. Step 4: Simplify right side
    34,335.67x = 1,088,550,814.52
  5. Step 5: Solve for x
    x = 1,088,550,814.52/34,335.67
  6. Step 6: Final answer
    x = 31,703.21

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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.