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Finding the Fourth Proportional to 35,006.70, 52,488.90 and 13,949.98

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Solution

The fourth proportional to 35,006.70, 52,488.90 and 13,949.98 is: 20,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,006.70 : 52,488.90 = 13,949.98 : x
  2. Step 2: Convert to fraction form
    35,006.70/52,488.90 = 13,949.98/x
  3. Step 3: Cross multiply
    35,006.70x = 52,488.90 × 13,949.98
  4. Step 4: Simplify right side
    35,006.70x = 732,219,105.22
  5. Step 5: Solve for x
    x = 732,219,105.22/35,006.70
  6. Step 6: Final answer
    x = 20,916.54

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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.