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Finding the Fourth Proportional to 74,993.58, 112,509.81 and 22,402.98

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Solution

The fourth proportional to 74,993.58, 112,509.81 and 22,402.98 is: 33,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.58 : 112,509.81 = 22,402.98 : x
  2. Step 2: Convert to fraction form
    74,993.58/112,509.81 = 22,402.98/x
  3. Step 3: Cross multiply
    74,993.58x = 112,509.81 × 22,402.98
  4. Step 4: Simplify right side
    74,993.58x = 2,520,555,023.23
  5. Step 5: Solve for x
    x = 2,520,555,023.23/74,993.58
  6. Step 6: Final answer
    x = 33,610.28

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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.