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Finding the Fourth Proportional to 6,495,615.70, 9,108,791.90 and 6,495,615.70

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Solution

The fourth proportional to 6,495,615.70, 9,108,791.90 and 6,495,615.70 is: 9,108,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495,615.70 : 9,108,791.90 = 6,495,615.70 : x
  2. Step 2: Convert to fraction form
    6,495,615.70/9,108,791.90 = 6,495,615.70/x
  3. Step 3: Cross multiply
    6,495,615.70x = 9,108,791.90 × 6,495,615.70
  4. Step 4: Simplify right side
    6,495,615.70x = 59,167,211,673,672.84
  5. Step 5: Solve for x
    x = 59,167,211,673,672.84/6,495,615.70
  6. Step 6: Final answer
    x = 9,108,791.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.