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Finding the Fourth Proportional to 74,966.92, 112,450.37 and 19,562.92

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Solution

The fourth proportional to 74,966.92, 112,450.37 and 19,562.92 is: 29,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,966.92 : 112,450.37 = 19,562.92 : x
  2. Step 2: Convert to fraction form
    74,966.92/112,450.37 = 19,562.92/x
  3. Step 3: Cross multiply
    74,966.92x = 112,450.37 × 19,562.92
  4. Step 4: Simplify right side
    74,966.92x = 2,199,857,213.34
  5. Step 5: Solve for x
    x = 2,199,857,213.34/74,966.92
  6. Step 6: Final answer
    x = 29,344.37

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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.