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Finding the Fourth Proportional to 40,562,451.61, 55,978,929.55 and 22,915,233.52

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Solution

The fourth proportional to 40,562,451.61, 55,978,929.55 and 22,915,233.52 is: 31,624,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,562,451.61 : 55,978,929.55 = 22,915,233.52 : x
  2. Step 2: Convert to fraction form
    40,562,451.61/55,978,929.55 = 22,915,233.52/x
  3. Step 3: Cross multiply
    40,562,451.61x = 55,978,929.55 × 22,915,233.52
  4. Step 4: Simplify right side
    40,562,451.61x = 1,282,770,242,597,677
  5. Step 5: Solve for x
    x = 1,282,770,242,597,677/40,562,451.61
  6. Step 6: Final answer
    x = 31,624,573.76

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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.