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Finding the Fourth Proportional to 6,602,604.50, 9,111,478.26 and 3,701,986.40

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Solution

The fourth proportional to 6,602,604.50, 9,111,478.26 and 3,701,986.40 is: 5,108,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,604.50 : 9,111,478.26 = 3,701,986.40 : x
  2. Step 2: Convert to fraction form
    6,602,604.50/9,111,478.26 = 3,701,986.40/x
  3. Step 3: Cross multiply
    6,602,604.50x = 9,111,478.26 × 3,701,986.40
  4. Step 4: Simplify right side
    6,602,604.50x = 33,730,568,602,415.66
  5. Step 5: Solve for x
    x = 33,730,568,602,415.66/6,602,604.50
  6. Step 6: Final answer
    x = 5,108,676.22

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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.