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Finding the Fourth Proportional to 15,866.75, 23,776.74 and 8,837.09

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Solution

The fourth proportional to 15,866.75, 23,776.74 and 8,837.09 is: 13,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.75 : 23,776.74 = 8,837.09 : x
  2. Step 2: Convert to fraction form
    15,866.75/23,776.74 = 8,837.09/x
  3. Step 3: Cross multiply
    15,866.75x = 23,776.74 × 8,837.09
  4. Step 4: Simplify right side
    15,866.75x = 210,117,161.57
  5. Step 5: Solve for x
    x = 210,117,161.57/15,866.75
  6. Step 6: Final answer
    x = 13,242.61

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1.5x scale

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.