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Finding the Fourth Proportional to 72,433.40, 108,650.10 and 22,513.10

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Solution

The fourth proportional to 72,433.40, 108,650.10 and 22,513.10 is: 33,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433.40 : 108,650.10 = 22,513.10 : x
  2. Step 2: Convert to fraction form
    72,433.40/108,650.10 = 22,513.10/x
  3. Step 3: Cross multiply
    72,433.40x = 108,650.10 × 22,513.10
  4. Step 4: Simplify right side
    72,433.40x = 2,446,050,566.31
  5. Step 5: Solve for x
    x = 2,446,050,566.31/72,433.40
  6. Step 6: Final answer
    x = 33,769.65

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Similar ratio
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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.