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Finding the Fourth Proportional to 72,333.38, 108,515.56 and 22,412.38

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Solution

The fourth proportional to 72,333.38, 108,515.56 and 22,412.38 is: 33,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,333.38 : 108,515.56 = 22,412.38 : x
  2. Step 2: Convert to fraction form
    72,333.38/108,515.56 = 22,412.38/x
  3. Step 3: Cross multiply
    72,333.38x = 108,515.56 × 22,412.38
  4. Step 4: Simplify right side
    72,333.38x = 2,432,091,966.63
  5. Step 5: Solve for x
    x = 2,432,091,966.63/72,333.38
  6. Step 6: Final answer
    x = 33,623.37

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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.