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Finding the Fourth Proportional to 32,662,958.70, 45,074,525.31 and 17,978,311.02

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Solution

The fourth proportional to 32,662,958.70, 45,074,525.31 and 17,978,311.02 is: 24,809,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,662,958.70 : 45,074,525.31 = 17,978,311.02 : x
  2. Step 2: Convert to fraction form
    32,662,958.70/45,074,525.31 = 17,978,311.02/x
  3. Step 3: Cross multiply
    32,662,958.70x = 45,074,525.31 × 17,978,311.02
  4. Step 4: Simplify right side
    32,662,958.70x = 810,363,835,102,042
  5. Step 5: Solve for x
    x = 810,363,835,102,042/32,662,958.70
  6. Step 6: Final answer
    x = 24,809,872.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.