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Finding the Fourth Proportional to 40,251,941.80, 60,377,912.70 and 9,959,804.80

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Solution

The fourth proportional to 40,251,941.80, 60,377,912.70 and 9,959,804.80 is: 14,939,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,251,941.80 : 60,377,912.70 = 9,959,804.80 : x
  2. Step 2: Convert to fraction form
    40,251,941.80/60,377,912.70 = 9,959,804.80/x
  3. Step 3: Cross multiply
    40,251,941.80x = 60,377,912.70 × 9,959,804.80
  4. Step 4: Simplify right side
    40,251,941.80x = 601,352,224,723,441
  5. Step 5: Solve for x
    x = 601,352,224,723,441/40,251,941.80
  6. Step 6: Final answer
    x = 14,939,707.20

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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.