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Finding the Fourth Proportional to 35,942.22, 53,920.11 and 13,753.74

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Solution

The fourth proportional to 35,942.22, 53,920.11 and 13,753.74 is: 20,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.22 : 53,920.11 = 13,753.74 : x
  2. Step 2: Convert to fraction form
    35,942.22/53,920.11 = 13,753.74/x
  3. Step 3: Cross multiply
    35,942.22x = 53,920.11 × 13,753.74
  4. Step 4: Simplify right side
    35,942.22x = 741,603,173.71
  5. Step 5: Solve for x
    x = 741,603,173.71/35,942.22
  6. Step 6: Final answer
    x = 20,633.20

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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.