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Finding the Fourth Proportional to 9,767,999.80, 14,651,769.30 and 2,676,287.80

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Solution

The fourth proportional to 9,767,999.80, 14,651,769.30 and 2,676,287.80 is: 4,014,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767,999.80 : 14,651,769.30 = 2,676,287.80 : x
  2. Step 2: Convert to fraction form
    9,767,999.80/14,651,769.30 = 2,676,287.80/x
  3. Step 3: Cross multiply
    9,767,999.80x = 14,651,769.30 × 2,676,287.80
  4. Step 4: Simplify right side
    9,767,999.80x = 39,212,351,426,004.54
  5. Step 5: Solve for x
    x = 39,212,351,426,004.54/9,767,999.80
  6. Step 6: Final answer
    x = 4,014,368.57

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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.