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Finding the Fourth Proportional to 15,651.63, 23,473.80 and 7,323.72

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Solution

The fourth proportional to 15,651.63, 23,473.80 and 7,323.72 is: 10,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.63 : 23,473.80 = 7,323.72 : x
  2. Step 2: Convert to fraction form
    15,651.63/23,473.80 = 7,323.72/x
  3. Step 3: Cross multiply
    15,651.63x = 23,473.80 × 7,323.72
  4. Step 4: Simplify right side
    15,651.63x = 171,915,450.51
  5. Step 5: Solve for x
    x = 171,915,450.51/15,651.63
  6. Step 6: Final answer
    x = 10,983.87

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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.