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Finding the Fourth Proportional to 36,205.34, 54,308.07 and 9,908.12

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Solution

The fourth proportional to 36,205.34, 54,308.07 and 9,908.12 is: 14,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,205.34 : 54,308.07 = 9,908.12 : x
  2. Step 2: Convert to fraction form
    36,205.34/54,308.07 = 9,908.12/x
  3. Step 3: Cross multiply
    36,205.34x = 54,308.07 × 9,908.12
  4. Step 4: Simplify right side
    36,205.34x = 538,090,874.53
  5. Step 5: Solve for x
    x = 538,090,874.53/36,205.34
  6. Step 6: Final answer
    x = 14,862.20

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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.