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Finding the Fourth Proportional to 18,103.15, 27,148.06 and 6,253.93

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Solution

The fourth proportional to 18,103.15, 27,148.06 and 6,253.93 is: 9,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.15 : 27,148.06 = 6,253.93 : x
  2. Step 2: Convert to fraction form
    18,103.15/27,148.06 = 6,253.93/x
  3. Step 3: Cross multiply
    18,103.15x = 27,148.06 × 6,253.93
  4. Step 4: Simplify right side
    18,103.15x = 169,782,066.88
  5. Step 5: Solve for x
    x = 169,782,066.88/18,103.15
  6. Step 6: Final answer
    x = 9,378.59

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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.