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Finding the Fourth Proportional to 16,992.65, 23,449.04 and 9,439.47

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Solution

The fourth proportional to 16,992.65, 23,449.04 and 9,439.47 is: 13,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.65 : 23,449.04 = 9,439.47 : x
  2. Step 2: Convert to fraction form
    16,992.65/23,449.04 = 9,439.47/x
  3. Step 3: Cross multiply
    16,992.65x = 23,449.04 × 9,439.47
  4. Step 4: Simplify right side
    16,992.65x = 221,346,509.61
  5. Step 5: Solve for x
    x = 221,346,509.61/16,992.65
  6. Step 6: Final answer
    x = 13,026.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.