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Finding the Fourth Proportional to 15,687.25, 23,523.97 and 7,369.63

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Solution

The fourth proportional to 15,687.25, 23,523.97 and 7,369.63 is: 11,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.25 : 23,523.97 = 7,369.63 : x
  2. Step 2: Convert to fraction form
    15,687.25/23,523.97 = 7,369.63/x
  3. Step 3: Cross multiply
    15,687.25x = 23,523.97 × 7,369.63
  4. Step 4: Simplify right side
    15,687.25x = 173,362,979.83
  5. Step 5: Solve for x
    x = 173,362,979.83/15,687.25
  6. Step 6: Final answer
    x = 11,051.20

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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.