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Finding the Fourth Proportional to 16,993.20, 25,483.74 and 6,460.42

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Solution

The fourth proportional to 16,993.20, 25,483.74 and 6,460.42 is: 9,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.20 : 25,483.74 = 6,460.42 : x
  2. Step 2: Convert to fraction form
    16,993.20/25,483.74 = 6,460.42/x
  3. Step 3: Cross multiply
    16,993.20x = 25,483.74 × 6,460.42
  4. Step 4: Simplify right side
    16,993.20x = 164,635,599.86
  5. Step 5: Solve for x
    x = 164,635,599.86/16,993.20
  6. Step 6: Final answer
    x = 9,688.32

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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.