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Finding the Fourth Proportional to 18,335.34, 27,484.29 and 7,249.68

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Solution

The fourth proportional to 18,335.34, 27,484.29 and 7,249.68 is: 10,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.34 : 27,484.29 = 7,249.68 : x
  2. Step 2: Convert to fraction form
    18,335.34/27,484.29 = 7,249.68/x
  3. Step 3: Cross multiply
    18,335.34x = 27,484.29 × 7,249.68
  4. Step 4: Simplify right side
    18,335.34x = 199,252,307.53
  5. Step 5: Solve for x
    x = 199,252,307.53/18,335.34
  6. Step 6: Final answer
    x = 10,867.12

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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.