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Finding the Fourth Proportional to 35,910.42, 53,832.11 and 12,201.74

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Solution

The fourth proportional to 35,910.42, 53,832.11 and 12,201.74 is: 18,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,910.42 : 53,832.11 = 12,201.74 : x
  2. Step 2: Convert to fraction form
    35,910.42/53,832.11 = 12,201.74/x
  3. Step 3: Cross multiply
    35,910.42x = 53,832.11 × 12,201.74
  4. Step 4: Simplify right side
    35,910.42x = 656,845,281.57
  5. Step 5: Solve for x
    x = 656,845,281.57/35,910.42
  6. Step 6: Final answer
    x = 18,291.22

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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.