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Finding the Fourth Proportional to 23,986.65, 35,980.05 and 7,346.61

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Solution

The fourth proportional to 23,986.65, 35,980.05 and 7,346.61 is: 11,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.65 : 35,980.05 = 7,346.61 : x
  2. Step 2: Convert to fraction form
    23,986.65/35,980.05 = 7,346.61/x
  3. Step 3: Cross multiply
    23,986.65x = 35,980.05 × 7,346.61
  4. Step 4: Simplify right side
    23,986.65x = 264,331,395.13
  5. Step 5: Solve for x
    x = 264,331,395.13/23,986.65
  6. Step 6: Final answer
    x = 11,019.94

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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.