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Finding the Fourth Proportional to 18,455.44, 27,697.92 and 9,695.52

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Solution

The fourth proportional to 18,455.44, 27,697.92 and 9,695.52 is: 14,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.44 : 27,697.92 = 9,695.52 : x
  2. Step 2: Convert to fraction form
    18,455.44/27,697.92 = 9,695.52/x
  3. Step 3: Cross multiply
    18,455.44x = 27,697.92 × 9,695.52
  4. Step 4: Simplify right side
    18,455.44x = 268,545,737.32
  5. Step 5: Solve for x
    x = 268,545,737.32/18,455.44
  6. Step 6: Final answer
    x = 14,551.03

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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.