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Finding the Fourth Proportional to 72,539.56, 108,809.07 and 22,622.50

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Solution

The fourth proportional to 72,539.56, 108,809.07 and 22,622.50 is: 33,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,539.56 : 108,809.07 = 22,622.50 : x
  2. Step 2: Convert to fraction form
    72,539.56/108,809.07 = 22,622.50/x
  3. Step 3: Cross multiply
    72,539.56x = 108,809.07 × 22,622.50
  4. Step 4: Simplify right side
    72,539.56x = 2,461,533,186.08
  5. Step 5: Solve for x
    x = 2,461,533,186.08/72,539.56
  6. Step 6: Final answer
    x = 33,933.67

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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.