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Finding the Fourth Proportional to 32,178.72, 48,272.58 and 9,993.81

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Solution

The fourth proportional to 32,178.72, 48,272.58 and 9,993.81 is: 14,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,178.72 : 48,272.58 = 9,993.81 : x
  2. Step 2: Convert to fraction form
    32,178.72/48,272.58 = 9,993.81/x
  3. Step 3: Cross multiply
    32,178.72x = 48,272.58 × 9,993.81
  4. Step 4: Simplify right side
    32,178.72x = 482,426,992.73
  5. Step 5: Solve for x
    x = 482,426,992.73/32,178.72
  6. Step 6: Final answer
    x = 14,992.11

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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.