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Finding the Fourth Proportional to 73,550.61, 110,325.27 and 20,960.22

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Solution

The fourth proportional to 73,550.61, 110,325.27 and 20,960.22 is: 31,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,550.61 : 110,325.27 = 20,960.22 : x
  2. Step 2: Convert to fraction form
    73,550.61/110,325.27 = 20,960.22/x
  3. Step 3: Cross multiply
    73,550.61x = 110,325.27 × 20,960.22
  4. Step 4: Simplify right side
    73,550.61x = 2,312,441,930.76
  5. Step 5: Solve for x
    x = 2,312,441,930.76/73,550.61
  6. Step 6: Final answer
    x = 31,440.15

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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.