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Finding the Fourth Proportional to 7,668,301.80, 11,488,455.90 and 4,672,986.60

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Solution

The fourth proportional to 7,668,301.80, 11,488,455.90 and 4,672,986.60 is: 7,000,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,301.80 : 11,488,455.90 = 4,672,986.60 : x
  2. Step 2: Convert to fraction form
    7,668,301.80/11,488,455.90 = 4,672,986.60/x
  3. Step 3: Cross multiply
    7,668,301.80x = 11,488,455.90 × 4,672,986.60
  4. Step 4: Simplify right side
    7,668,301.80x = 53,685,400,475,390.94
  5. Step 5: Solve for x
    x = 53,685,400,475,390.94/7,668,301.80
  6. Step 6: Final answer
    x = 7,000,950.39

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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.