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Finding the Fourth Proportional to 8,939.93, 13,409.10 and 4,008.24

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Solution

The fourth proportional to 8,939.93, 13,409.10 and 4,008.24 is: 6,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.93 : 13,409.10 = 4,008.24 : x
  2. Step 2: Convert to fraction form
    8,939.93/13,409.10 = 4,008.24/x
  3. Step 3: Cross multiply
    8,939.93x = 13,409.10 × 4,008.24
  4. Step 4: Simplify right side
    8,939.93x = 53,746,890.98
  5. Step 5: Solve for x
    x = 53,746,890.98/8,939.93
  6. Step 6: Final answer
    x = 6,012.01

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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.