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Finding the Fourth Proportional to 29,632.56, 40,905.18 and 22,065.54

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Solution

The fourth proportional to 29,632.56, 40,905.18 and 22,065.54 is: 30,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,632.56 : 40,905.18 = 22,065.54 : x
  2. Step 2: Convert to fraction form
    29,632.56/40,905.18 = 22,065.54/x
  3. Step 3: Cross multiply
    29,632.56x = 40,905.18 × 22,065.54
  4. Step 4: Simplify right side
    29,632.56x = 902,594,885.50
  5. Step 5: Solve for x
    x = 902,594,885.50/29,632.56
  6. Step 6: Final answer
    x = 30,459.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.