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Finding the Fourth Proportional to 18,063.64, 27,105.90 and 9,743.68

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Solution

The fourth proportional to 18,063.64, 27,105.90 and 9,743.68 is: 14,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.64 : 27,105.90 = 9,743.68 : x
  2. Step 2: Convert to fraction form
    18,063.64/27,105.90 = 9,743.68/x
  3. Step 3: Cross multiply
    18,063.64x = 27,105.90 × 9,743.68
  4. Step 4: Simplify right side
    18,063.64x = 264,111,215.71
  5. Step 5: Solve for x
    x = 264,111,215.71/18,063.64
  6. Step 6: Final answer
    x = 14,621.15

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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.