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Finding the Fourth Proportional to 23,651.76, 35,499.24 and 11,973.12

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Solution

The fourth proportional to 23,651.76, 35,499.24 and 11,973.12 is: 17,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,651.76 : 35,499.24 = 11,973.12 : x
  2. Step 2: Convert to fraction form
    23,651.76/35,499.24 = 11,973.12/x
  3. Step 3: Cross multiply
    23,651.76x = 35,499.24 × 11,973.12
  4. Step 4: Simplify right side
    23,651.76x = 425,036,660.43
  5. Step 5: Solve for x
    x = 425,036,660.43/23,651.76
  6. Step 6: Final answer
    x = 17,970.61

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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.