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Finding the Fourth Proportional to 34,699.95, 52,042.13 and 15,961.99

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Solution

The fourth proportional to 34,699.95, 52,042.13 and 15,961.99 is: 23,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.95 : 52,042.13 = 15,961.99 : x
  2. Step 2: Convert to fraction form
    34,699.95/52,042.13 = 15,961.99/x
  3. Step 3: Cross multiply
    34,699.95x = 52,042.13 × 15,961.99
  4. Step 4: Simplify right side
    34,699.95x = 830,695,868.44
  5. Step 5: Solve for x
    x = 830,695,868.44/34,699.95
  6. Step 6: Final answer
    x = 23,939.40

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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.