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Finding the Fourth Proportional to 23,662.88, 35,483.92 and 8,861.42

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Solution

The fourth proportional to 23,662.88, 35,483.92 and 8,861.42 is: 13,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,662.88 : 35,483.92 = 8,861.42 : x
  2. Step 2: Convert to fraction form
    23,662.88/35,483.92 = 8,861.42/x
  3. Step 3: Cross multiply
    23,662.88x = 35,483.92 × 8,861.42
  4. Step 4: Simplify right side
    23,662.88x = 314,437,696.64
  5. Step 5: Solve for x
    x = 314,437,696.64/23,662.88
  6. Step 6: Final answer
    x = 13,288.23

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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.