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Finding the Fourth Proportional to 16,356.68, 24,530.92 and 6,992.08

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Solution

The fourth proportional to 16,356.68, 24,530.92 and 6,992.08 is: 10,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.68 : 24,530.92 = 6,992.08 : x
  2. Step 2: Convert to fraction form
    16,356.68/24,530.92 = 6,992.08/x
  3. Step 3: Cross multiply
    16,356.68x = 24,530.92 × 6,992.08
  4. Step 4: Simplify right side
    16,356.68x = 171,522,155.11
  5. Step 5: Solve for x
    x = 171,522,155.11/16,356.68
  6. Step 6: Final answer
    x = 10,486.37

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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.