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Finding the Fourth Proportional to 40,622.58, 60,911.54 and 12,534.97

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Solution

The fourth proportional to 40,622.58, 60,911.54 and 12,534.97 is: 18,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,622.58 : 60,911.54 = 12,534.97 : x
  2. Step 2: Convert to fraction form
    40,622.58/60,911.54 = 12,534.97/x
  3. Step 3: Cross multiply
    40,622.58x = 60,911.54 × 12,534.97
  4. Step 4: Simplify right side
    40,622.58x = 763,524,326.55
  5. Step 5: Solve for x
    x = 763,524,326.55/40,622.58
  6. Step 6: Final answer
    x = 18,795.56

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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.