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Finding the Fourth Proportional to 15,449.80, 23,168.94 and 8,051.08

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Solution

The fourth proportional to 15,449.80, 23,168.94 and 8,051.08 is: 12,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.80 : 23,168.94 = 8,051.08 : x
  2. Step 2: Convert to fraction form
    15,449.80/23,168.94 = 8,051.08/x
  3. Step 3: Cross multiply
    15,449.80x = 23,168.94 × 8,051.08
  4. Step 4: Simplify right side
    15,449.80x = 186,534,989.46
  5. Step 5: Solve for x
    x = 186,534,989.46/15,449.80
  6. Step 6: Final answer
    x = 12,073.62

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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.