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Finding the Fourth Proportional to 18,298.68, 27,448.05 and 4,447.68

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Solution

The fourth proportional to 18,298.68, 27,448.05 and 4,447.68 is: 6,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.68 : 27,448.05 = 4,447.68 : x
  2. Step 2: Convert to fraction form
    18,298.68/27,448.05 = 4,447.68/x
  3. Step 3: Cross multiply
    18,298.68x = 27,448.05 × 4,447.68
  4. Step 4: Simplify right side
    18,298.68x = 122,080,143.02
  5. Step 5: Solve for x
    x = 122,080,143.02/18,298.68
  6. Step 6: Final answer
    x = 6,671.53

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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.