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Finding the Fourth Proportional to 27,903.54, 41,859.81 and 9,178.14

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Solution

The fourth proportional to 27,903.54, 41,859.81 and 9,178.14 is: 13,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.54 : 41,859.81 = 9,178.14 : x
  2. Step 2: Convert to fraction form
    27,903.54/41,859.81 = 9,178.14/x
  3. Step 3: Cross multiply
    27,903.54x = 41,859.81 × 9,178.14
  4. Step 4: Simplify right side
    27,903.54x = 384,195,196.55
  5. Step 5: Solve for x
    x = 384,195,196.55/27,903.54
  6. Step 6: Final answer
    x = 13,768.69

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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.